Celebrate the New Year with the "Champagne Cluster," a galaxy cluster seen in this new image from NASA's Chandra X-ray ...

I/ATLAS was first discovered on July 1, 2025, it has garnered much attention, including speculation, hopes and fears that it ...

Fresh observations from the Hubble Space Telescope have intensified debate over the nature of 3I/ATLAS, a fast-moving ...

Hubble reveals a mysterious 'controlled' jet system on 3I/ATLAS. Is this 130,000mph interstellar visitor a natural comet or ...