If Suni Williams and Butch Wilmore depart on schedule, they will have have spent more nearly 10 months in space, but it's not unheard of.

Sometimes sleep takes priority over cool celestial events. Luckily, you can catch a partial solar eclipse this month and a ...

Astronauts returning to Earth, such as Sunita Williams and Butch Wilmore, face a range of unusual physiological side effects ...

NASA astronauts Butch Wilmore and Sunita Williams face potential long-term health issues after a nine-month space mission.