C/2024 E1 (Wierzchos) brightened significantly ahead of its close approach to the sun.

When you buy through links on our articles, Future and its syndication partners may earn a commission. Researchers say they may have already spotted the "Great Comet of 2026," dubbed C/2025 R3 ...

When 3I/ATLAS swept past the sun in late October 2025, it became only the third confirmed visitor from interstellar space ever detected. Unlike the mysterious 'Oumuamua, which revealed almost nothing ...

On January 12, 2005, NASA launched its Deep Impact mission to crash into comet Tempel 1, also known as 9P/Tempel. Two spacecraft were launched together for this mission: one was a flyby vehicle about ...

"We all would have been thrilled to find technosignatures coming from 3I/ATLAS, but they're just not there." When you purchase through links on our site, we may earn an affiliate commission. Here’s ...

Scientists are uncovering new clues that a cosmic explosion may have rocked Earth at the end of the last ice age. At major Clovis-era sites, researchers found shocked quartz—evidence of intense heat ...

When some scientists and conspiracy theorists saw the strange trajectory of the space object 3I/ATLAS, some of them thought one thing: aliens. With a bizarre shape, an unusually precise trajectory, ...

Add Yahoo as a preferred source to see more of our stories on Google. NASA's Hubble telescope shows the comet as a small, bright object in the center of a blue space ...

Sorry, '2001: A Space Odyssey' fans, but the cosmic menace in the Gerard Butler disaster series has a more ordinary inspiration. Reading time 2 minutes Greenland was ...

As this interstellar object approached its closest point to Earth, a massive radio telescope attempted to sniff out a technosignature. Reading time 3 minutes From the moment astronomers discovered ...