Scientists

New data indicates the current El Niño is the strongest ever recorded, marking a major shift in global weather patterns. The development is expected to influence temperatures, rainfall and storm activity across many regions, and is drawing widespread attention as scientists and the public assess the implications for extreme weather worldwide.

Scientists are developing new approaches to control mosquitoes, the animal responsible for more human deaths than any other, as climate change lengthens mosquito seasons and expands the areas where the insects can spread diseases such as malaria and dengue. Reporting highlights that longer warm periods give mosquitoes more time to breed and transmit dangerous illnesses, prompting research into novel targeting methods.

Scientists are tracking a slow-moving, planetary-scale Kelvin wave in the Pacific that is heading toward the California coast. The ocean phenomenon could raise sea levels along the coast by up to a foot, with El Niño conditions keeping warm water trapped near the shoreline. Observers are watching for increased coastal flooding and erosion risks as the wave arrives.

Washington Post health coverage highlights intensifying debate over ultra-processed foods and their role in public health. Scientists, regulators and the food industry are clashing over how strong the evidence linking processed products to obesity and chronic disease really is, and whether governments should intervene with warnings, taxes or labeling rules. Readers are weighing convenience and affordability against growing health warnings.

Scientists report that as the Pacific Ocean warms, a strange reversal is taking place in its water circulation: younger surface water appears to be ageing while older deep water is becoming younger, a shift in how water masses mix and move. Researchers say the trend could signal wider changes in ocean circulation driven by warming, with possible implications for heat and carbon storage in the Pacific.

A Kelvin wave is a pulse of unusually warm water that travels eastward along the equator beneath the ocean surface. Meteorologists are watching a developing Kelvin wave because it can push warmer water toward the US West Coast, potentially influencing ocean temperatures, marine life, and weather patterns in California, and hinting at whether an El Niño event may form later this year.

Researchers have resolved a long-standing puzzle in space weather dating back to the 1840s, according to a new report. The finding explains an unexplained event from that era, shedding light on early observations of solar activity and its effects on Earth. Details of the cause and the methods used to crack the case are drawing attention from science readers.

Scientists and fishermen in the United States are calling on federal agencies to maintain funding for a deep-ocean observation system that tracks conditions in waters important to both research and commercial fishing. Supporters say the system provides valuable long-term data on ocean health, and that cutting it would leave researchers and industry without critical information about changing deep-sea conditions.

A new Wired report describes research suggesting certain pancreatic cells are only a single genetic modification away from becoming insulin-producing cells, a potential route to treating diabetes. Scientists say the finding could open new regenerative approaches, though the work remains at an early stage and clinical applications are likely years away.

New research explains how spray from the subsurface ocean of Saturn's moon Enceladus turns into chemically diverse ice grains. Scientists describe the processes that give the plume particles their varied composition, shedding light on what the moon's hidden ocean contains. Enceladus is a key target in the search for life beyond Earth because its ocean vents material into space.

NOAA Fisheries is drawing attention to a collection of 2.5 million specimens it describes as 'perfect little time capsules of ocean chemistry.' The tiny samples preserve chemical records of ocean conditions over time, giving scientists a way to reconstruct how marine environments have changed. The piece has struck a chord for framing routine scientific archives in vivid, accessible language.

New research suggests magnetism played a role in the formation of the solar system, potentially influencing how the early cloud of gas and dust collapsed into the sun and planets. The finding adds to debate over what physical forces shaped our cosmic beginnings, and scientists say magnetic fields could help explain the solar system's original structure.

Anthropic is facing questions over claims that its AI systems achieved a significant breakthrough in biology. CNET asked working scientists to assess the claim, and reactions appear divided, with experts urging caution about how such achievements should be interpreted and verified. The debate touches on a broader tension in AI research: how to evaluate dramatic capability claims when independent validation in complex scientific fields is slow and difficult.

Researchers report that bacteria can learn from their environment and store memories in ways that resemble artificial neural networks. The findings suggest single-celled organisms may process information through network-like mechanisms rather than simple chemical responses, drawing parallels between microbial behaviour and machine learning. Scientists say the work could reshape how biologists think about memory and information storage in life forms without brains.

New research suggests that rising temperatures and shifting rainfall patterns could significantly alter where Chinese milk vetch, a legume long grown as green manure in southern China's rice paddies, can thrive. The plant plays an important role in sustaining soil fertility and reducing fertilizer use, so scientists warn that changing climate conditions may force farmers to adjust how and where they cultivate it.

Conservation scientist Katie Heineman of the Frozen Zoo discusses efforts to preserve wildlife DNA, storing genetic samples from endangered species so they can be used for future research and potential species recovery. The conversation highlights how biobanking is becoming a practical tool in global biodiversity conservation amid accelerating species loss.

Chemists report finding a crown-shaped sulfur ring inside mammalian cells, according to Chemical & Engineering News. The structure, an eight-membered sulfur ring, was reportedly observed directly in living cells, a rare detection given sulfur compounds' instability and difficulty of measurement. The finding could reshape understanding of sulfur chemistry in biology and how such molecules form and persist inside cells.

A new study reports that the Earth's crust beneath the Pacific Northwest is slowly tearing apart. Researchers describe geological forces, tied to the Cascadia subduction zone, that are fracturing the region's tectonic plate. Scientists note the process unfolds over millions of years and does not signal an imminent earthquake, but the findings are drawing wide attention.

Pope Leo has stated that concerns about the risks of artificial intelligence are legitimate and should not be dismissed as fake news. His remarks add a prominent moral voice to the global debate over AI safety, reinforcing calls from scientists and regulators who warn the technology needs careful oversight as it spreads through society.

Researchers have produced new catalogs mapping the quantum possibilities of atomically thin materials, systematically charting the properties these two-dimensional substances can exhibit. The work aims to give scientists a reference tool for identifying promising candidates for quantum computing and next-generation electronics. Coverage so far is limited to the announcement itself, with little public discussion yet.

A claim is circulating that scientists may have misinterpreted a 2-billion-year-old piece of geological evidence about Earth's history. The item, shared in science discussion forums, suggests a long-held reading of this ancient clue could be wrong. No details about the specific evidence, the researchers involved, or the nature of the misreading are available beyond the headline itself.

New research suggests coffee has measurable effects on both the gut microbiome and brain function, adding to a growing body of work on how daily caffeine consumption shapes health. The findings are drawing attention from coffee drinkers and health researchers alike, who are weighing what they mean for everyday habits and future dietary advice.

A reported experiment in which scientists applied pressure to a leg bone appears to have contributed to healing in the brain, an unexpected connection between the two. The finding suggests that physical stimulation of bone tissue may trigger biological responses that aid neurological recovery. Details about the researchers, method, and results remain limited, but the surprising link between a limb and brain repair is drawing curiosity.