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.

A rendering of Europe's proposed multi-orbit broadband constellation. The march toward single broadband terminals that can tap into multiple orbits promises greater resiliency and flexibility. It also ...

A Long March 3B lifts off from Xichang, sending Shijian-25 on its way to orbit, Jan. 6, 2025. Credit: Ourspace HELSINKI — China is expanding its presence and capabilities in the strategically vital ...

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 ...