Extreme solar activity or even a software glitch could put us just days away from a satellite collision in low-Earth orbit.

Researchers at The University of Manchester have developed a new way to design Earth-observation satellite missions that could help protect the space environment while continuing to deliver vital data ...

In low-Earth orbit, the time margin that used to isolate routine operations and an accident has been reduced in months to ...

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 ...