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." ...

US astronauts Butch Wilmore and Suni Williams are finally coming home — here are some of the health issues they may ...

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

Greenhouse gas emissions could reduce drag in the upper atmosphere, leaving more space debris in orbit and making satellites ...