A decade ago humanity launched around 200 objects into space per year. Now we launch more than 2,600, with no prospects for slowing down. This rapid expansion of human activity in outer space has ...

A frequent idea in sci-fi and apocalyptic films is that of an asteroid striking Earth and causing global devastation. While the probabilities of this kind of mass extinction occurring on our planet ...

In recent years there have been a number of modest “tugs” brought online to ferry small satellites to designated orbits. These miniature spacecraft provide so-called last-mile service and are ...

Sometimes, what goes up doesn’t come back down — instead, it becomes a problem. Junk is accumulating in space at a fantastic pace, millions of pieces orbit the Earth, from broken satellites to lost ...