Earth-orbiting satellites could begin colliding with one another in less than three days in a worst-case-scenario scenario — potentially triggering a runaway cascade that may render low Earth orbit ...

Growing levels of light pollution due to satellites is obscuring our view of the universe.

There are about 15,000 satellites orbiting Earth. Most of them, like the International Space Station and the Hubble Telescope, reside in low Earth orbit, or LEO, which tops out at about 1,200 miles (2 ...

SpaceX launched 27 new Starlink satellites into space last week. - Kevin Carter /Getty Images News via Getty Images A debris field comprised of a Starlink satellite's remains is floating through space ...

Earth's orbital environment is becoming increasingly crowded. Thousands of satellites—many of them inactive, damaged, or out of fuel—now circle the planet alongside fragments of debris from past ...