Just because Pluto was ruled out as a planet in 2006 doesn’t mean our solar system only has eight planets. The search for Planet Nine is far from over as scientists continue to uncover clues ...
Fast-moving objects like interstellar comet 3I/ATLAS may be planet-forming seeds, potentially helping to solve an old Solar System mystery. On July 1, 2025, astronomers spotted an object moving ...
Interstellar objects like 3I/ATLAS that have been captured in planet-forming disks around young stars could become the seeds of giant planets, bypassing a hurdle that theoretical models have ...
A small team led by Sihao Cheng, Martin A. and Helen Chooljian Member in the Institute for Advanced Study's School of Natural Sciences, has discovered an extraordinary trans-Neptunian object (TNO), ...
Astronomers in Japan have spotted a distant object orbiting the Sun far beyond Neptune, pointing to an extraordinary event that took place during the earliest years of the solar system. Astronomers ...
'Extraterrestrial' objects recovered from the bottom of the Pacific ocean are 'most likely' just fragments of a faraway planet that was struck by a meteorite, an astrophysicist has said. The 'alien' ...
Earth's famous Hubble Telescope has just revealed the first images of a mysterious interstellar object racing through our solar system. Spotted on Monday, Hubble has helped astronomers confirm that ...
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