The number of satellites orbiting Earth is rising fast, thanks to private companies such as SpaceX. But just how big will these "megaconstellations" become? And what problems might they cause?

Around 13,700 satellites orbit Earth, and with over 9,000, the U.S. owns the most. It's way ahead of any other nation, ...

As of August 1, 2025, there are currently 8,094 Starlink satellites in orbit, of which 8,075 are working, according to Astronomer Jonathan McDowell, who tracks the constellation on his website.

2025-PN7 is around 62 feet (19 meters) wide, and it’s between 2.8 million miles and 37.2 million miles away from Earth. It ...

Starlink satellites launch weekly from Florida, but what are they exactly? Here's a look at SpaceX's Starlink satellites.

Air and space were linked together in a recent flight test by General Atomics Electromagnetic Systems (GA-EMS) and Kepler ...

In-orbit servicing and refueling could help curb the environmental harm done by the space industry. But will operators subscribe to the greener business model? The jury is out.

Kaib previously published work that suggested Earth's orbit was altered by a passing star three million years ago. “We looked at the typical, run-of-the-mill flybys,” Raymond told New Scientist.

The number of satellites orbiting Earth is rising fast, thanks to private companies such as SpaceX. But just how big will these "megaconstellations" become? And what problems might they cause?