Space junk has filled up so much of Earth's orbit that it's endangering satellites and astronauts. The company Kayhan Space issues roughly 1,000 space-collision warnings per day. Earth-orbit experts ...

The two telescopes operate synchronously: Izaña-2 fires laser pulses at a piece of space debris high overhead, and Izaña-1 ...

Neuraspace, a Portuguese start-up which is developing an advanced system for monitoring and preventing collisions in space, has announced the market availability of its product starting today. After ...

A U.S. NASA spacecraft and a Russian satellite passed dangerously close to one another early Wednesday, avoiding a potential low-Earth orbit collision, the space agency said. NASA issued a warning ...

Earth orbit is becoming increasingly crowded. With more than 11,000 active satellites and many thousands more expected in the coming years, as well as more than 1.2 million pieces of space debris ...

Satellites in SpaceX's Starlink megaconstellation made nearly 50,000 collision-avoidance maneuvers in the last six months, about double the number made in the previous half-year. Although experts ...