outer Solar System

PBS's NOVA is asking how a possible dwarf planet could have escaped detection for so long, exploring what the object might be and why it slipped past astronomers. The question has drawn wide attention, with viewers debating how much of the outer solar system may still be hiding undiscovered worlds and what better surveys could reveal next.

Geophysicist Stefan Burns is drawing large audiences with the claim that an Earth-like twin may soon be discovered within our own solar system. The suggestion points to a hidden planetary body, possibly in the outer solar system, whose conditions could resemble Earth's. Viewers are debating whether such a world could realistically remain undetected and what its discovery would mean for the search for habitable environments beyond Earth.

Dutch media report the discovery of a mysterious celestial body in our own solar system, described as a new dwarf planet candidate located beyond Pluto. Scientists say the object was hiding in plain sight, close to home in astronomical terms. Dutch science outlets including Wibnet and Astroblogs are covering the find, calling it an intriguing addition to the outer solar system.

The boundary of the solar system is being reconsidered. Scientists are weighing where the solar system truly ends, a question tied to the heliopause and the reach of the Sun's influence, with the outer regions reshaping how researchers define our cosmic neighbourhood.

Scientists have announced the discovery of a massive dwarf planet located in the distant outer solar system. The finding, reported by weather and science outlets, adds to the small but growing list of known dwarf planets beyond Neptune. Details about the object's size, orbit and composition have drawn wide interest, with observers speculating about what else may remain undiscovered at the solar system's far edges.

Astronomers report that a large new dwarf planet candidate may be hiding in the distant reaches of the Solar System, beyond the orbit of Pluto. The candidate would rank among the biggest known bodies in the outer Solar System if confirmed. Details of its size, orbit and discovery remain sparse so far, and researchers will need further observations before it can be officially recognised as a dwarf planet by the International Astronomical Union.

Astronomers using Chile's Vera C. Rubin Observatory have identified a bright object, designated 2026 ED138, orbiting beyond Pluto. Its movement follows a path typical of a dwarf planet, and scientists say the discovery offers fresh clues about how planets formed in the outer solar system. Space enthusiasts are sharing the find as a notable early result from the new observatory.

Analysts suggest that habitats and research stations planned beyond the Moon could depend heavily on autonomous AI systems to manage operations where human oversight is limited by distance and communication delays. The discussion highlights how planetary AI could handle life support, navigation, and scientific tasks on future deep-space outposts, underscoring artificial intelligence as a key technology for humanity's expansion into the outer solar system.

The Vera Rubin Observatory has identified the first candidate for a new dwarf planet in our solar system. The finding marks an early scientific result for the newly operational telescope, which was built to survey the southern sky in unprecedented depth. Astronomers say further observations will be needed to confirm the object's status before it can officially be classed as a dwarf planet.

NASA's Hubble and James Webb space telescopes have together observed pristine bodies in the outer solar system that have remained unchanged since its formation billions of years ago. Researchers describe these objects as time capsules, offering a rare window into the conditions of the early solar system and the raw material from which planets formed.

Pluto, the dwarf planet orbiting beyond Neptune, is being discussed for its frozen surface of nitrogen ice and its distinctive landscape first revealed in detail by NASA's New Horizons mission. Posts highlight Pluto's status as a mysterious and distant world in the outer solar system, drawing attention to ongoing interest in space science and planetary exploration.

A new study reported by ScienceAlert suggests the Solar System's inner rocky, 'fire' planets and outer icy worlds were separated almost from the start, with early conditions favoring heat over ice near the Sun. The findings bear on long-standing questions about how planets formed and why Earth ended up where it did.

ScienceAlert reports that the oldest bodies of the outer Solar System were composed of 83–92% chondrules, the small spherical grains that formed in the early solar nebula. The finding offers new insight into how the first planetesimals assembled, suggesting chondrule-rich material was a major building block even in the outer reaches of the Solar System billions of years ago.

Astronomers have identified a newly discovered trail of cosmic debris that offers a preview of how the Solar System may eventually end. The finding, reported by Wired, suggests the debris illustrates the processes that will unfold as the Sun ages and sheds its outer layers, scattering remnants of planets and smaller bodies. Space enthusiasts and researchers are sharing and discussing the story across social media.

Scientists have confirmed evidence of a deep ocean hidden beneath the surface of one of Saturn's moons, according to NASA. The finding adds the moon to a growing list of ocean worlds in the outer solar system and strengthens the case that these icy bodies could hold conditions suitable for life. Researchers say future missions could probe the ocean's chemistry.