With 3I/ATLAS streaking away from our planet, speculation remains as to whether the interstellar comet is alien or not.

Astronomers continue to track the mysterious interstellar visitor Comet 3I/ATLAS as it speeds through the solar system, using ...

As this interstellar object approached its closest point to Earth, a massive radio telescope attempted to sniff out a ...

Interstellar object 3I/ATLAS is confirmed as a natural comet from beyond our solar system, posing no threat to Earth despite ...

New observations of 3I/ATLAS provide real data that scientists are using to evaluate asteroid behavior ahead of Apophis’ 2029 ...

Comet 3I/ATLAS is a rare visitor passing briefly through our solar system. Here’s how to find it in the night sky—and what you’ll need to catch a glimpse.

NASA’s Europa Clipper spacecraft has observed interstellar comet 3I/ATLAS, collecting rare data as the ancient object made ...

Get the latest update on Comet 3I/ATLAS as it makes a close approach today, including what it means and why skywatchers are paying attention.

Is 3I/ATLAS a comet or an alien ship? Harvard's Avi Loeb warns of a 'serial killer' visitor as the interstellar object makes its closest approach to Earth.

Comet 3I/ATLAS, the third interstellar object ever detected, reached its closest point to Earth overnight from Thursday to Friday (Dec. 18 to 19), and it remains in a good viewing position tonight.

Scientists are studying 3I/ATLAS' unusual sunward jet to determine whether it behaves like a natural comet or something far ...