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

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

On July 1st, 2025, the third interstellar object (ISO) ever detected was seen making its way through our solar system.

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 ...

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

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

I/ATLAS comet is the 3rd-ever object discovered that originated from outside our solar system. It's not a threat, approaches ...

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

A mysterious interstellar comet known as 3I/ATLAS is about to make its closest approach to Earth in December 2025. Here's ...

The interstellar comet 3I/ATLAS will reach its closest point to our world Dec. 19. According to NASA, people will be able to ...

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