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.

The laser system provides real-time positional data on the huge cloud of space debris above our heads in low Earth orbit.

Cheap, uninsured satellites are creating more space junk — and it's starting to rain down on our heads. Airplane passengers crossing the Indian Ocean who peered out their windows on Oct. 19, 2024, ...

This isn’t the sort of news one sees very often. Nasa has recently confirmed that “space junk” is threatening the International Space Station that may lead the three astronauts on board to take ...

A new arms race in satellite internet is crowding out Low Earth Orbit. What will we do with all space junk that’s building up?

Space junk threatened the seven astronauts aboard the International Space Station on Monday, forcing them to seek shelter in their docked capsules and disrupting their work. The U.S. Space Command ...

Space has a trash problem, with defunct satellites, rockets, and smaller broken bits orbiting Earth at high speeds. The ...

A piece of space debris that hit a home in Naples, Florida, in March was a piece of the International Space Station, according to NASA. NASA had expected the debris — old and depleted nickel hydride ...

Something "size of a pea" could puncture Atlantis on mission to repair Hubble. May 13, 2009 — -- A myriad of space debris combined with a 21-inch scratch across delicate thermal tiles has the ...

Airplane passengers crossing the Indian Ocean who peered out their windows on Oct. 19, 2024, might have seen what looked like a fast-moving star suddenly flash and fade. Above their heads, a $500 ...