Since comet 3I/ATLAS, the third known interstellar object, was discovered on 1 July 2025, astronomers worldwide have worked ...

Harvard's Avi Loeb slams NASA's 'sluggish bureaucracy' for a 45-day photo delay of 3I/ATLAS, arguing its mysterious 'jets' could be 'thrusters', not cometary activity.

Another major meteor shower is about to hit its peak in November 2025. Here's when and where to see the Leonids.

A NASA-funded survey telescope in Chile first observed the comet in July.

Comet K1 (ATLAS) is expected to make its closest passage to Earth on November 24, 2025, just 60 million kilometers (37.3 ...

Tonight kicks off great weekend of sky gazing as Waning Crescent moon gives way to spectacular views of the Leonid meteor shower. Here's when to watch ...

New images show that comet C/2025 K1 (ATLAS) has fragmented after passing its closest point to the sun, ahead of its close ...

The Leonid meteor shower is about to hit its 2025 peak activity this November. Here's everything to know about the annual ...

Heavy water detected in the disk of V883 Orionis; chemical signature reveals that some of the water formed before the star ...

U.K. science minister Lord Patrick Vallance told the BBC that they've developed a plan to phase out animal testing for ...

I/Atlas is brightening, turning blue and emitting a radio signal, but scientists say its path misses Earth by a wide margin and it poses no threat to humans.