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

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.

Wondering what 3I ATLAS is all about? Here's what to know as interstellar comet 3I/ATLAS nears Earth this week, when to watch ...

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 ...

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

Officially designated 3I/Atlas after its discovery this summer, the comet will make its closest approach to Earth this Friday ...

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

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

Studied by astronomers for a brief moment, the C/2025 K1 ATLAS comet was spotted by telescopes as it split, providing a ...

It’s the third known interstellar object to cut through our solar system. Interstellar comets like 3I/Atlas originate in star ...