Space.com on MSN

Interstellar comet 3I/ATLAS isn't an alien spacecraft, astronomers confirm. 'In the end, there were no surprises.'

Though this hunt came up empty, the fact that 3I/ATLAS is only the third known object found in the solar system after ...
The Why Files on MSN

The Betz sphere didn’t act like scrap - and that’s the problem

The Betz Sphere wasn’t impressive at first glance. It looked like a solid metal ball with no markings or seams. What drew ...