WASHINGTON -- Space junk orbiting Earth, which has disabled satellites and nearly hit the International Space Station, represents a growing threat that NASA needs to deal with better, the National ...

Astronomers have probed the physical environment of repeating X-ray outbursts near monster black holes thanks to data from NASA's NICER (Neutron star Interior Composition Explorer) and other missions.

Even in space, what goes up sometimes comes back down: spent rocket stages, defunct satellites and other bits of space debris ...

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 ...

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 ...

What appears to be space debris was found in rural Australia, but don't fret, this is not the beginning of an alien invasion or something out of a sci-fi movie. On Saturday, Oct. 18, at around 2 p.m.

Tiny chunks of space debris are believed to have struck the return vehicle of a Chinese crew of astronauts who were due to return to Earth following a mission at the nation's Tiangong space station.

Cheap, uninsured satellites are creating more space junk — and it's starting to rain down on our heads. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...