Hubble Space Telescope is back online after software glitch

Space Force is using virtual-reality headsets to train its Guardians to work on satellites

Astronomers detect a black hole on the move. Scientists have long theorized that supermassive black holes can wander through space—but catching them in the act has proven difficult. Now, researchers have identified the clearest case to date of a supermassive black hole in motion.

NASA targets March 18 for a critical engine test of its Space Launch System moon rocket