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

When 3I/ATLAS is closest to the Earth on Dec. 19, all the features that we are looking for will be easier to detect with our ...

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 ...

Interloper 3I/ATLAS makes a color shift as it leaves the sun.

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

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

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

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

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

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