The primal human experience of gazing into an unblemished cosmos is vanishing, being replaced by a dense, industrial field of 15,000 orbiting satellites with plans for half a million more by 2040. Joe ...

Elon Musk wants to launch a million satellites, but researchers say global warming is changing the upper atmosphere in ways that makes space junk linger. By Sachi Kitajima Mulkey Elon Musk’s space ...

Four astronauts departing the International Space Station were all smiles during a change of command ceremony on Monday, despite a medical issue prompting an early return to Earth set for later this ...