Imagine something launched into space over 50 years ago — and now, it might have crashed back down to Earth without anyone ...

These nesting satellites like Kosmos 2558 carry smaller and armed satellites inside them and can deploy them as per a pre-programed schedule or when they are signalled to do so from ground control.

Tsunami waves reached Hawaii and the U.S. West Coast after a massive 8.8-magnitude earthquake struck off Russia’s Far East. The Pacific-wide warning sparked evacuations from Japan to California, ...

A capsule created by German aerospace startup The Exploration Company crash-landed in the ocean with a payload that included ...