It is essential to monitor the human-made space junk in orbit, as some of them pose a risk to the population if they fall ...

A growing space debris problem leads scientists to use seismic sensors to follow sonic booms from uncontrolled reentries ...

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

The sensors used to listen for earthquakes could help protect people from the hazards created by falling spacecraft.

A large cloud of tiny fragments revolves around Earth following satellite explosions, rocket stage malfunctions, and anti-satellite missile testing. These fragments—some as small as grains of ...

Sometimes, what goes up doesn’t come back down — instead, it becomes a problem. Junk is accumulating in space at a fantastic pace, millions of pieces orbit the Earth, from broken satellites to lost ...

Space is filling up fast, and the risk that a tiny fragment of junk can cripple a multimillion‑dollar satellite is no longer theoretical. In response, two specialist firms are joining forces to sell ...