Comet ATLAS (C/2025 K1) has been traveling through the Ursa Major constellation since November 24 and it's the golden hue ...

The object is expected to make its closest approach on December 19, 2025, passing by at a distance of approximately 167 ...

NASA confirms hydrogen detection from 3I/Atlas using MAVEN, providing new clues about the interstellar comet’s makeup.

Key Takeaways An ancient wanderer from beyond our solar system adjusts its path with uncanny accuracy. Scientists spot a fine ...

NASA is defending the quality of its newly released HiRISE images of interstellar object 3I/ATLAS after a wave of sharper amateur photographs began circulating online, prompting comparisons that place ...

NASA shares why its HiRISE photo of 3I/Atlas appears blurry, even as amateur astronomers release sharper comet images.

Earlier this week, NASA officials released long-delayed images of interstellar visitor 3I/ATLAS.

The astonishingly well-preserved nasal cavity of a Neanderthal in Italy has finally settled one of the great debates in ...

Rumors of its biological origins have been greatly exaggerated, but comet 3I/ATLAS is still very worth paying attention to.

The space agency got a close look at the interstellar visitor over the past few months as it zipped by Mars and the sun ...

Harvard scientist Avi Loeb speculated that NASA’s recently released photos of 3I/ATLAS could potentially point to its ...

Harvard astronomer Avi Loeb criticized NASA for repeating the "official mantra that 3I/ATLAS is a natural comet." ...