Avi Loeb has revived debate around 3I/ATLAS, the interstellar object that passed through the solar system last year, by ...

"I think these are not far-out type of ideas; they are not really futuristic ideas that we are talking about." ...

Interstellar space is unforgivingly vast, but the emptiness has some advantages. The lack of atmosphere means there is no aerodynamic drag.

Since the dawn of the solar system, rocky visitors from deep space have blazed across Earth’s skies. When will the next asteroid or interstellar object make its pass by our planet?

The farthest spacecraft from Earth has shut down another instrument in the hopes of buying time for an upgrade that could boost the aging probe’s impressive lifespan.

The solar system is now at the edge of this cloud, but the massive stockpile of cosmic stardust has left signatures on Earth's southernmost region.

On May 22, 2026, the Pentagon released a second batch of previously classified photos and videos showing what appear to be ...