Astronomers have followed 3I/ATLAS since its discovery on July 1. Hubble photographed it on July 21 from 277 million miles ...

New images taken with the Gemini North telescope in Hawaii confirm that the interstellar comet 3I/ATLAS has gotten brighter ...

The interstellar comet 3I/ATLAS reaches its closest point to Earth on Dec. 19, allowing close study with no threat to the ...

NASA’s Hubble Telescope photographed the comet on November 30. At that time, the comet was still very far — about 178 million ...

The comet is the third object ever confirmed to have entered our cosmic neighborhood from elsewhere in the galaxy. Space ...

Discovered on July 1 by the NASA-funded ATLAS telescope in Chile, 3I/ATLAS is only the third confirmed visitor from another ...

Gemini North captured new images of Comet 3I/ATLAS after it reemerged from behind the sun on its path out of the solar system ...

New telescope images show interstellar comet 3I/ATLAS brightening and turning green after solar heating, raising questions ...

New 3I/ATLAS images from NASA and the ESA suggest the interstellar comet is active as it approaches Earth in December.

He cited the astronomical gaffe in January, when The Minor Planet Center in Cambridge, Mass., announced the discovery of an ...

XMM-Newton observed the comet with its European Photon Imaging Camera (EPIC)-pn camera, its most sensitive X-ray camera ...

NASA’s Hubble Space Telescope captured a deeper look at interstellar comet 3I/ATLAS, with its Wide Field Camera 3 instrument, ...