High up in Earth's orbit, millions of human-made objects large and small are flying at speeds of over 15,000 miles per hour.

Junk is accumulating in space at a fantastic pace, with millions of pieces orbiting the Earth, and humans need to figure out a way to deal with it.

Millions of pieces of debris now circle Earth in space. Scientists are exploring new ways to remove them and protect future ...

China routinely sends astronauts to and from its space station Tiangong. A crew capsule is about to undock from the station ...

The rapid expansion of artificial intelligence and cloud services has led to a massive demand for computing power. The surge ...

Satellite imaging company Vantor—formerly Maxar Intelligence—has signed a contract with the U.S. Space Force to help run a “neighborhood watch” in space to monitor for space-based threats like rogue ...

Beyond the race for scientific, commercial and military purposes, there is another space race of a more curious sort. A race to be the first to send various objects up there. But why? Subscribe to our ...

Just in May of this year, the Soviets struck a ground target from orbit. Never mind that they didn't intend to; in fact, never mind that there are no 'Soviets' anymore. A piece of Cosmos 482, a rocket ...

Demand has never been greater for the monitoring of objects in orbit and the coordination of their safe movement. The number of active satellites in low Earth orbit (LEO) has surged from less than a ...

Lagrange points are spots in space where the gravity of multiple objects basically cancels each other out from the point of ...

Data show that unidentified lights in archival astronomy images were 68% more likely to be imaged 24 hours after a nuclear weapons test. In the 1950s, mysterious flashes of light were captured on ...

Later in December, the 3I/ATLAS interstellar comet will get as close to Earth as it ever will. Here's what to know.