Inside the High-Tech Effort to Keep Satellites Alive

Astronaut’s Before-and-After Photos Show How Cities Switched From Orange to White Light

"We've Never Seen Anything Quite Like This": A Strange Ten-Sided “Structure” Has Been Spotted on Saturn's North Pole

Northern Lights Could Be Visible From These Nine States Tonight

China on track to launch Mars sample-return mission in 2028: 'If accurate, this represents a Sputnik moment'

China moves to launch a Mars sample-return mission in 2028, prompting comparisons to a Sputnik moment from a former NASA expert.

Fossilized eggs of the largest known dinosaurs have been unearthed in an unexpected place

Fossilized eggs belonging to titanosaurs reveal these massive dinosaurs nested in cold environments.

2 satellites just burned up in Earth's atmosphere

Recent coverage details the atmospheric reentry and burning up of two European Space Agency satellites after long missions.