satellites

Scientists recently calculated the power of so-called superbolts — brighter-than-average lightning strikes.

The U.S. government is putting something big and secret in orbit tonight (Sept 30). Here's the little we can glean from public information.

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."