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.

India’s space agency says a valve failure prevented a navigation spacecraft launched more than a year ago from raising its ...

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 ...

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 ...

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 ...