There are about 15,000 satellites orbiting Earth. Most of them, like the International Space Station and the Hubble Telescope ...

The mystifying 3I/ATLAS interstellar comet is blazing toward Earth and will in a matter of days come as close to our planet ...

A powerful solar storm could scramble communications, leading to a destructive scenario for satellites, known as Kessler ...

This week marks the last chance for backyard astronomers to see interstellar Comet 3I/ATLAS before it races on its journey ...

Satellites in orbit would begin to collide in a matter of days if they lost manoeuvrability during a solar storm or other ...

A new satellite called Sentinel 5A has started sending back its first images, capturing fresh views of Earth's ozone hole.

A SpaceX Starlink internet satellite had to power up its thrusters to ensure it wasn't smashed by a Chinese satellite.

From rocket launch to reentry, satellites are adding CO2 and other pollutants to every layer of Earth's atmosphere.

They are putting themselves to the fullest possible use, which is all I think that any conscious entity can ever hope to do.

NASA has visualized the cataclysm, which is thought to have caused a mysterious eruption of gamma rays captured by telescopes ...

Fleets of satellites interfere with snapshots taken by Earth-bound observatories. But a new study suggests these orbiters ...

Dan Falk: Space junk broadly refers to stuff that’s in space that was put there by humans, and that is no longer doing what ...