A quartet of small, rocky exoplanets likely circle Barnard's Star, around 6 billion light-years from Earth, putting them in ...

Suni Williams and Butch Wilmore have a long road to recovery after returning to Earth following an almost 10 month-long stay ...

"Our behavior with greenhouse gases here on Earth over the past 100 years is having an effect on how we operate satellites over the next 100 years." ...

Astronauts go through multiple hours of exercise per day while in space, but there’s still an adjustment to walk when ...