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

Comet Lemmon was captured over Mauna Kea during its 2025 pass, showing its path and brightness as part of long-term sky records ...

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

Before 3I/ATLAS, the only other confirmed interstellar tourists we've seen were the now-famous, cigar-shaped 'Oumuamua' in ...

We have all the latest images of our interstellar visitor from ESA's Juice, Hubble, NASA's STEREO, and even a photobomb from ...

Despite being hidden by the glare of the sun, plenty of space-based cameras are snapping photos of 3I/ATLAS that you should ...

NASA has released a treasure trove of comet 3I/ATLAS images, giving us some of the closest views yet of the interstellar visitor. The U.S. government shutdown, which ran from Oct. 1 to Nov. 12, ...

Scientists have observed cryovolcanoes erupting on comet 3I/ATLAS — giving us a new clue about what's inside it.

Comet 3I Atlas is currently ~186 million miles from Earth, which is twice the distance from the Earth to the sun. It is moving away from the Sun now but ...

There's been a lot of speculation recently about interstellar visitor 3I/ATLAS—much of which is probably caused by ...