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- 1El Niño reaches strongest level ever recorded▼New data shows El Niño is strongest ever with major shift in global weather patterns | BBC News
New data shows the current El Niño is the strongest ever measured, driving a major shift in global weather patterns. The warming of Pacific Ocean surface waters is expected to bring droughts, floods and heatwaves to different regions worldwide. Scientists and news outlets are watching closely as the event intensifies, with forecasters warning of record temperatures and disruption to agriculture and weather systems into the coming months.
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NASA has cancelled the Mars Sample Return mission, the long-planned effort to bring rocks collected by the Perseverance rover back to Earth. The programme had suffered years of cost overruns and schedule delays, with independent reviews estimating costs well above initial projections. The move leaves the future of returning Martian material to laboratories on Earth in serious doubt, and scientists are weighing what the cancellation means for Mars exploration.
- 3Russian Strike Kills Two Scientists at Ukraine's National Academy●Two Scientists Killed in Russian Strike on Ukraine’s National Academy of Sciences
A Russian strike on Ukraine's National Academy of Sciences has killed two scientists, according to United24 Media reporting. The attack adds to a growing list of Ukrainian academics and researchers killed since Russia's full-scale invasion began, drawing attention to the toll on the country's scientific community and cultural institutions.
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Scientists describe a 'super El Niño' now bursting through global temperature records, with the climate phenomenon expected to keep intensifying in the months before it reaches its peak. The Guardian reports the strength of the event has stunned researchers, raising fresh concern about extreme weather, heatwaves and warming impacts worldwide as forecasters monitor its trajectory.
- 5AI pioneers warn of runaway 'intelligence explosion'●AI godfathers warn of runaway ‘intelligence explosion’
Leading AI researchers often described as the 'godfathers' of the field have publicly warned about the risk of a runaway 'intelligence explosion', in which AI systems rapidly improve themselves beyond human control. The warning, reported by The Guardian, adds to ongoing debate among scientists and policymakers about how quickly advanced AI should be developed and regulated.
- 6Scientists seek new ways to fight mosquitoes as climate warms●Scientists explore new ways to target mosquitoes as warming climate expands threat
Mosquitoes kill more people than any other animal on Earth, and scientists say the threat is growing. As the climate warms, mosquito seasons are lasting longer, giving the insects more time to spread dangerous diseases such as malaria and dengue. Researchers are now exploring new methods to target and control mosquito populations before the expanding range of the insects puts more communities at risk.
- 7Hurricane Polo Sparks Debate Over a Category 6▼Hurricane Polo Is Forcing Scientists To Talk About Category 6 - And It's Terrifying
Hurricane Polo is drawing attention from scientists discussing whether a Category 6 classification should exist for hurricanes stronger than the current Category 5 maximum. The storm's intensity has renewed debate among researchers about extending the Saffir-Simpson scale, with commentators describing the possibility as alarming given warming ocean temperatures.
- 8Scientists warn Earth's planetary boundaries have been breached●'Planetary boundaries' necessary for flourishing of life have been breached
Scientists warn that several of the 'planetary boundaries' that keep Earth's systems stable enough to support human life have been crossed, with the Guardian reporting that climate crisis thresholds are among those breached. The assessment suggests humanity is now operating outside the safe environmental limits needed for flourishing ecosystems, prompting renewed debate about political inaction and the urgency of emissions cuts.
- 9Did Anthropic's AI Really Make a Scientific Discovery on Its Own?▼Did Anthropic’s A.I. Really Make a Scientific Discovery on Its Own?
A debate is under way over whether Anthropic's Claude AI genuinely produced a novel scientific finding independently. A researcher at the University of Copenhagen said his team had been sharing its research with the model, and that Claude's new result matched their unpublished work, raising questions about whether the AI made a true discovery or drew on what the scientists had already shared.
- 10Two academics killed in strike on Ukraine's Academy of Sciences building●В результате удара по зданию НАН Украины в Киеве уже два погибших академика Как сообщил президент Академии Наук Украины
A strike hit the building of the National Academy of Sciences of Ukraine in Kyiv. Anatoliy Zahorodniy, the Academy's president, said two academics have been killed and contact has been lost with several others. The incident has drawn attention to attacks on scientific and civilian institutions in the Ukrainian capital as the war continues.
- 11Immigration policy pushing foreign researchers out of the US●Immigration changes are driving foreign researchers to leave the U.S.
A STAT News survey reports that recent US immigration policy changes are prompting foreign-born scientists and researchers to leave the country. Respondents describe visa uncertainty and a hostile environment as factors affecting their decisions to continue working in the US. Commenters note the potential long-term damage to American science and innovation if international talent keeps departing.
- 12Greenland and Antarctica Lost 12 Trillion Tons of Ice in 50 Years●Satellite Images Reveal Greenland and Antarctica Have Lost More Than 12 Trillion Tons of Ice Over the Past 50 Years
New satellite imagery shows Greenland and Antarctica have together lost more than 12 trillion tons of ice over the past half-century, according to a report by Smithsonian Magazine. The findings underline the accelerating pace of polar ice melt and its implications for global sea levels, with scientists warning that continued losses could have serious consequences for coastal communities worldwide.
- 13Super El Niño smashes temperature records months before its peak●Super El Niño bursts through temperature record months ahead of peak
A super El Niño has pushed global temperatures past existing records months before the event is expected to reach its peak, the Guardian reports. Scientists warn the pattern is driving exceptional heat worldwide and could bring further record-breaking months as the phenomenon intensifies into 2027.
- 14Astronomers warn of catastrophe from planned orbital mirror constellation●"'They're saying we want to launch 50,000 mirrors by 2035,' Benvenuti said. 'That would be catastrophic for astronomy, t
Reflect Orbital has drawn strong criticism from astronomers after stating plans to launch tens of thousands of sunlight-reflecting mirrors into orbit by 2035, with FCC approval processes under scrutiny. Luca Benvenuti called the plan 'catastrophic for astronomy, that is clear,' as scientists warn the mirrors would brighten night skies and disrupt telescopic observations.
- 15UK climate minister warns food system vulnerable to El Niño●Our food system is vulnerable to El Niño, warns UK climate minister
A UK climate minister has warned that the global food system is vulnerable to El Niño, the periodic warming of Pacific Ocean waters that disrupts weather patterns and can damage harvests. The warning, reported by New Scientist, highlights concerns that extreme weather linked to El Niño could hit crop yields and push up food prices worldwide.
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MIT Technology Review examines the question of when an achievement can genuinely be credited to artificial intelligence as a scientific discovery rather than to the humans who built and used the system. The piece weighs criteria for attribution as AI systems increasingly generate hypotheses, run experiments and produce results in fields like biology and materials science, prompting debate among researchers over authorship, credit and the definition of discovery itself.
- 17Norman Finkelstein challenges Harvard antisemitism inquiry findings●Interview with Norm Finkelstein: Harvard's antisemitism inquiry said that "Israeli Jewish students don't feel wanted at
In an interview, political scientist Norman Finkelstein responded to Harvard's antisemitism inquiry, which found that Israeli and Jewish students "don't feel wanted at Harvard." The university said it must correct for antisemitism by embracing everyone, and Finkelstein, while voicing support for inclusivity, went on to take issue with the inquiry's framing, drawing attention and debate online.
- 18Pancreatic Cells One Genetic Tweak From Treating Diabetes▼Some Pancreatic Cells Are Just One Genetic Tweak Away From Treating Diabetes https:// fed.brid.gy/r/https://www.wire d.c
New research suggests some pancreatic cells could be converted into insulin-producing cells with a single genetic modification, offering a promising avenue for diabetes treatment. The findings, reported by Wired, point to the potential of reprogramming existing cells to restore insulin function in patients. Scientists and health watchers are sharing the story as a possible step toward new therapies for the disease.
- 19The End of Insulin Injections? Scientists Push Needle-Free Medicine▼The End of Insulin Injections? How Scientists Are Making Medicine Needle-Free
Scientists are developing needle-free alternatives to insulin injections, a shift that could transform daily treatment for millions of people with diabetes. Reported by National Geographic, the work covers new delivery methods being explored to replace traditional syringes. The topic is drawing attention among patients and medical observers who see it as a potential turning point in how routine medicines are administered.
- 20Kelvin wave heading for California raises concern●Concern mounts over slow-moving, planetary-scale ‘kelvin’ wave heading for California https://www. theguardian.com/us-ne
A vast, slow-moving equatorial kelvin wave is heading toward the California coast, prompting warnings that it could strengthen El Niño conditions and raise the risk of extreme weather on the US West Coast. Scientists and commentators are watching the planetary-scale ocean warming pattern closely as concern grows over its potential coastal impacts.
- 21Scientists and fishermen urge continued funding for deep-ocean observation●Scientists, fishermen want feds to keep funding deep-ocean observation system
Scientists and fishermen are pressing the federal government to continue funding a deep-ocean observation system, warning that losing the data stream would hurt marine research and fisheries management. The program monitors ocean conditions in deep waters, information both communities rely on for understanding ecosystems and making decisions. Supporters say the system's value extends well beyond academia into the fishing industry.
- 22NASA turns to AI to mine decades of scientific data▼At NASA, AI is helping scientists unlock discoveries hidden in decades of data
NASA scientists are using artificial intelligence to analyse decades' worth of archived mission data, uncovering discoveries that earlier tools missed. By applying modern machine learning to vast historical datasets, researchers hope to extract new insights from past observations at lower cost than new missions. The work highlights how AI is becoming a standard research tool across space science.
- 23Canadian telescope maps earliest hydrogen glow of universe▼Canadian telescope directly maps earliest glow of hydrogen, opening a new window on the universe
A Canadian telescope has for the first time directly mapped the earliest glow of hydrogen in the universe, according to an announcement from the University of British Columbia. The achievement opens what researchers describe as a new window on the cosmos, allowing scientists to study the universe's earliest era directly rather than infer it. Astronomy researchers are expected to examine the findings closely for what they reveal about the first stars and cosmic structure.
- 24Did Anthropic's AI Really Make a Scientific Discovery on Its Own?●Did Anthropic's A.I. Really Make a Scientific Discovery on Its Own?
A New York Times report examines whether Anthropic's AI system genuinely produced a scientific discovery independently, focusing on work involving a biology enzyme associated with researcher Mestre. The piece weighs the claim against skepticism about what counts as an autonomous discovery, and debate has spread over how much credit the AI deserves versus the scientists guiding it.
- 25Concern mounts over planetary-scale Kelvin wave heading for California▼Concern mounts over slow-moving, planetary-scale ‘Kelvin’ wave heading for California
Scientists and news outlets are raising alarms about a slow-moving Kelvin wave — a vast, planetary-scale oceanic phenomenon — that is travelling toward the California coast. Such waves can shift warm water across the Pacific and influence coastal sea levels and weather patterns, prompting concerns about potential impacts on the US West Coast.
- 26'Super' El Niño Heat Could Kill Nearly Half a Million by February●Scientists Say Scorching Temperatures Brought on by the 'Super' El Niño Could Kill Nearly Half a Million People by Febru
Scientists are warning that extreme temperatures driven by the ongoing 'super' El Niño could cause nearly half a million deaths by February. The warning links the intensified El Niño pattern to dangerous heat extremes, and the figure is drawing attention online as people share and discuss the scale of the projected human toll.
- 27Beam Accuses Scientist of Stealing Secrets for Chinese Startup▼Beam Says Scientist Stole Secrets for Her Chinese Rival Startup
Beam Therapeutics alleges that a scientist took trade secrets from the company to help launch a rival startup in China, according to Bloomberg Law. The case adds to ongoing tensions over biotech intellectual property and competition between US and Chinese life sciences firms.
- 28Earth's magnetic poles may be close to flipping again▼Earth's magnetic poles may be about to flip again. Here's how it could affect our climate
Scientists warn that Earth's magnetic poles could be heading toward a reversal, an event in which the planet's north and south magnetic poles swap places. Coverage is focusing on what such a flip could mean for the climate, as well as for satellites, power grids and navigation systems that depend on the magnetic field's protection.
- 29US Risks Losing International Scientists, Experts Warn●The United States Will Be Worse off for Losing International Scientists
The Union of Concerned Scientists argues that the United States will be worse off as international scientists leave or choose not to come to the country. The group says foreign-born researchers have long driven American innovation in fields like medicine, technology and climate science, and that losing them would weaken US research and economic competitiveness.
- 30World's most accurate atomic clock passes a crucial test▼World’s most accurate atomic clock passes a crucial test
The world's most accurate atomic clock has passed a crucial test, confirming the precision and reliability of the timekeeping technology. Atomic clocks underpin GPS, telecommunications and fundamental physics research, so any advance in accuracy is closely watched by scientists. The result is being reported as a milestone in precision measurement, though details of the test and the team behind it are not specified.
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A new study is probing whether artificial intelligence systems could experience pain, one of the hardest questions in debates over machine consciousness. The research feeds into a wider argument among scientists and ethicists about whether large language models have any form of subjective experience, and what that would mean for how such systems should be treated and regulated.
- 32Resetting the Body Clock May Aid Stroke Recovery▼Resetting the body clock could help the brain recover after stroke
New research reported by ScienceDaily suggests that resetting the body's circadian clock could help the brain recover after a stroke. The findings point to circadian rhythm as a potential factor in neurological repair, raising the possibility of timing-based therapies for stroke patients. Scientists say further studies would be needed to confirm how manipulating the body clock translates into clinical benefits for recovery.
- 33ESA's JUICE spacecraft swings low over Indian Ocean on Earth flyby●Heads up (especially if you’re currently on a ship in the Indian Ocean). ESA’s JUICE mission to Jupiter & its icy moons
ESA's JUICE mission to Jupiter and its icy moons passed less than 10,000 km overhead at 13:45 CEST during its second Earth gravity assist, with scientists noting ships in the Indian Ocean were directly beneath its path. The spacecraft will return for a final slingshot flyby in 2029 before heading onward to Jupiter.
- 34Saudi oil scientists worked on key IPCC climate reports●Saudi oil scientists ended up working on most important climate reports
Reporting by The Guardian reveals that scientists linked to Saudi Arabia and its state oil company Aramco contributed to major IPCC climate reports, the scientific assessments that underpin global climate policy. The story raises questions about conflicts of interest and oil-producing countries' influence over climate science, and is drawing debate about how such participation was allowed.
- 35Heavy water isotopes improve weather forecast accuracy▼Heavy water isotopes make weather predictions more accurate
Researchers report that isotopes of heavy water can be used to make weather predictions more accurate. The finding suggests that tracking isotopic signatures in water vapour offers a new way to refine meteorological models. Physicists and weather scientists are weighing how quickly such isotope-based measurements could be incorporated into operational forecasting.
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Researchers report that artificial intelligence can distinguish between aged and young stem cells, a finding highlighted in a new science news release. If confirmed, the method could help scientists understand how ageing affects regenerative capacity and support therapies that rely on healthy stem cells. Details of the study team and the underlying research remain limited in the available information.
- 37Mobile apps turn Arctic community observations into climate data▼How mobile apps are turning Arctic community observations into climate data
Arctic residents are using mobile apps to record local observations such as ice conditions, weather and wildlife, which researchers convert into usable climate data. The approach combines Indigenous and local knowledge with digital tools, helping scientists fill gaps in a vast, sparsely monitored region where instrumental coverage is thin and change is happening fast.
- 38American scientists eye Europe as US research climate sours▼America’s scientists are looking abroad. Can European business cash in?
US-based scientists are increasingly exploring opportunities abroad, and European businesses and governments may stand to benefit by attracting this research talent. Fortune reports on the trend, raising the question of whether European industry can successfully recruit American scientists who are reconsidering their futures. The discussion touches on Europe's ability to compete for skilled researchers and the potential economic gains from welcoming them.
- 39Scientists solve 1840s space weather mystery●Scientists solve 1840s space weather mystery https://arstechnica.com/science/2026/09/scientists-solve-1840s-space-weathe
Scientists have resolved a long-standing space weather mystery dating back to the 1840s, according to new research covered by Ars Technica. The finding explains an unexplained phenomenon observed nearly two centuries ago, connecting historical records with modern understanding of solar and geomagnetic activity. The story is drawing attention for combining archival science history with a contemporary breakthrough.
- 40How Scientists Confronted Existential Risk Once Before▼‘I Write This to Frighten You’: How Scientists Took On Existential Risk Once Before
The New York Times revisits an earlier moment when scientists warned the public about existential risk, framed around the line 'I write this to frighten you.' The piece examines how researchers once mobilized against threats to humanity, a narrative resonating amid current debates over nuclear dangers and other global catastrophic risks.