The first black hole that astronomers observed "turning off" just turned back on, releasing jets of hot gas into the cosmos.

The mission featured two robotic lunar landers: one from Texas-based Firefly Aerospace and another from the Japanese space ...

The study suggests that the Moon likely formed largely from Earth's mantle material — with minimal involvement from Theia.

Hubble revealed a universe of galaxies that existed beyond ours — but he couldn't have done it without a little help.

Did humanity really touch down on the Moon, or is it just the biggest plot twist in space history? Since the Apollo missions, ...