Three stranded astronauts have returned to Earth after being stranded for nine days, but their escape may endanger future ...

Wrapping up 204 days in orbit, three Chinese astronauts flew back to Earth aboard a Shenzhou spacecraft Friday, leaving three ...

For this month’s edition of 5 Interesting Startup Deals, all the funded companies that caught our eye were hardware-centric, from a medical device for at-home acne treatment, to an artificial retina ...

For the first time in more than five years, humanity has launched a mission to Mars — but it won't be arriving at the Red ...

A colossal comet, 3I/ATLAS, is making headlines as it streaks through our solar system at more than 124,000 miles per hour.