The interstellar comet 3I/ATLAS made its closest approach to Earth today (Dec. 19, 2025). Here's the latest news you need to ...

Comet 3I/ATLAS, the third interstellar object ever detected, will swing closest to Earth overnight from Thursday to Friday ...

Scientists have been cataloging comet 3I/ATLAS’s journey through the Solar System since July, tracking major milestones as ...

3I/ATLAS, Humanity — and the MAVEN Anomaly: A Challenge for NASA and ESA. On Friday, December 19, the interstellar object ...

As the interstellar object 3I/ATLAS prepares for its close flyby of Earth, debate over its origins and behavior has ...

The Southwest Research Institute-led Ultraviolet Spectrograph (UVS) aboard NASA's Europa Clipper spacecraft has made valuable ...

The Southwest Research Institute-led Ultraviolet Spectrograph (UVS) aboard NASA's Europa Clipper spacecraft has made ...

NASA’s Perseverance rover has been exploring the surface of Mars since it landed there in spectacular fashion nearly five ...

On December 19, avid skywatchers can catch a glimpse of the mysterious visitor through powerful binoculars or a telescope when it’s around 170 million miles from our home planet ...

New study finds interstellar comet 3I/ATLAS exhibits typical comet behavior, with non-gravitational acceleration from outgassing, measured by NASA and ESA spacecraft, confirming it is not artificial.

NASA has revealed new details of what happened to a probe that had a close encounter with interstellar object 3I/ATLAS.

NASA lost contact with the MAVEN orbiter immediately after it photographed interstellar Comet 3I/ATLAS, sparking claims the ...