At the Paranal Observatory, the UT4 telescope doesn't just stargaze—it actively creates its own stars using powerful lasers ...

The thousands of satellites operated by companies from Starlink to Telesat will eventually burn up in the atmosphere when ...

NASA is delaying the next competition for an astrophysics mission by a year, the latest sign of the fiscal pressures from an ...

Physicists propose that high-energy photon jets from collapsing stars may be secret factories of heavy elements like ...

NASA's Psyche spacecraft, located nearly 150 million miles from Earth on the way to an unexplored metal asteroid, has stopped ...