Earth's orbit is filling up with junk. Greenhouse gases are making the problem worse. At any given moment, more than 10,000 satellites are whizzing around the planet at roughly 17,000 miles per hour.

To get started, all you need is a standard A4 sheet of paper and the folding skills of a 4-year-old. Reading time 3 minutes Building a spacecraft could one day be as simple as folding a piece of paper ...

A routine launch of SpaceX satellites ran into problems Thursday night when they were deployed at a lower-than-intended orbit because of an issue with the second-stage engine on the Falcon 9 rocket ...

Two astronauts who have been stuck in space weeks longer than planned believe Boeing will get the pair back to Earth safely even as the troubled company’s space capsule has faced a string of problems.

China's Shenzhou-20 spacecraft took a hit from a piece of space debris floating through orbit, causing Chinese officials to delay the spacecraft's return from its Tiangong space station in early ...

At any given moment, more than 10,000 satellites are whizzing around the planet at roughly 17,000 miles per hour. This constellation of machinery is the technological backbone of modern life, making ...

Editor’s Note: This story was originally published by Grist. Sign up for Grist’s weekly newsletter here. At any given moment, more than 10,000 satellites are whizzing around the planet at roughly ...