A stray comet from another star is swinging past Earth. Discovered over the summer, the comet known as 3I/Atlas will pass ...

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 ...

The interstellar comet 3I/ATLAS, ejected from a distant star system, is now revealing the alien building blocks of other ...

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

The truth is that, following NASA’s press conference, this hypothesis has been completely ruled out; however, experts ...

2025 did see the launch of some significant hatchback offerings, including a few premium ones that delivered on driving thrills ...

The 17-hour X-ray study, performed in late November 2025, captured a subtle X-ray glow emanating from 3I/ATLAS's core.

Then there was the September discovery of C/2025 R2 (SWAN), a comet so bright that even when it was near the moon on ...

NASA has shared new insights on the interstellar comet 3I/ATLAS, revealing four key observations from its latest scientific briefing. The rare cosmic visitor offers scientists a unique window into ...

Harvard's Avi Loeb warns that interstellar comet 3I/ATLAS could be a 'serial killer', carrying the neurotoxin hydrogen ...

According to the team’s findings, hydrogen cyanide is emerging close to the comet’s rocky nucleus, at rates between 250 and ...