satellites

The U.S. government says Russia tested an anti-satellite space weapon July 15. Russia says it was an inspector satellite. Nothing was destroyed.

In low Earth orbit's growing "space junkyard," new technologies could reduce the risk of collisions.

When is a moon not a moon — and does it matter?

It was only a matter of time: Amateur sleuths think they've tracked down the satellite that took a high-resolution image of the aftermath of an Iranian missile disaster.

High-orbiting satellites offer clues about what lies buried underground.

What's it like to uncover the mysteries of ancient civilizations...from space?

Moons orbiting distant worlds have a new nickname, and it's even cuter than "moonmoon."

'Space archaeology' is transforming how experts study ancient civilizations.

This technology demonstration mission that could transform the way humans explore space.