The interstellar comet will pass safely by Earth, giving astronomers their best chance to study it up close. Interstellar ...

Comet 3I/ATLAS will get closest to Earth on Dec. 19, and astronomers will be watching.

Little Foot is a near-complete Australopithecus skeleton — the most complete ever discovered — from South Africa. Researchers ...

The European Space Agency's X-ray space observatory XMM-Newton observed interstellar comet 3I/ATLAS on 3 December for around ...

Discovered over the summer, the comet known as 3I/Atlas will pass within 167 million miles of our planet on Friday. That's as ...

In the spirit of the season, the interstellar comet 3I/ATLAS is changing color as it leaves the sun behind — shifting from a ...

Tracking comets accurately is hard. A new effort with the U.N. and NASA aims to better chart these visitors using 3I/ATLAS.

Interstellar comet 3I/ATLAS, discovered in July, will approach Earth on December 19th. This rare visitor from another star ...

I/ATLAS is a comet with a bright coma and visible tail, typical of interstellar objects. It made its closest approach to the ...

Interstellar comet 3I/ATLAS is now emitting a distinct green glow as it nears Earth, a transformation attributed to the ...

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