The spacecraft-taken image shows interstellar comet 3I/ATLAS shedding gas and dust and offers new insights into the visitor.

The Central Intelligence Agency’s refusal to say whether it holds records on the interstellar object 3I/ATLAS has turned a niche scientific puzzle into a pointed test of government transparency. While ...

Here's when and where to catch the best of the colorful total lunar eclipse show.

We're getting an exciting look at the building blocks of alien worlds. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Breaking space news, the ...

"How many presumably disrupted comets have really completely disrupted, and could any of them have actually survived with a reduced, inactive nucleus?" When you purchase through links on our site, we ...

Following a massive cryovolcanic eruption, the mysterious Comet 29P/Schwassmann-Wachmann has been morphed into a giant spiral and is now shining 100 times brighter than normal. When you purchase ...

For millions of years, a frozen wanderer drifted between the stars before slipping into our solar system as 3I/ATLAS—only the third known interstellar comet ever spotted. When scientists turned NASA’s ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. After months of unprecedented observations, astronomers are ...

A newly discovered comet has astronomers excited, with the potential to be a spectacular sight in early April. C/2026 A1 (MAPS) was spotted by a team of four amateur astronomers with a remotely ...

Is 3I/ATLAS just a comet — or an intergalactic ark? A NASA spacecraft has discovered organic chemicals on 3I/ATLAS, which Harvard scientist Avi Loeb claims raises the possibility that the comet is an ...