On April 2, 2024, the night sky over Southern California tore open. A streak of fire ripped through the atmosphere, traveling ...

Old satellites and other space junk fall toward Earth every day, and the shock waves they create could be used to track their trajectories, according to new research.

Earth's orbiting satellites are commonly regarded as if they were suspended in mid-air. It is a fact that they actually ...

Space debris falling to Earth is a growing threat to aircraft, and experts are trying to reduce the risk.

The famous black hole M87 keeps surprising us. New research calculates its spin speed to be at 80% of the theoretical limit, with matter falling into its maw even faster. When you purchase through ...