Tech billionaire Jared Isaacman became the first civilian to start a spacewalk early Thursday — after already traveling the farthest from Earth a human being has gone since the Apollo moon missions.

Two NASA astronauts have been stranded ... International Space Station are generally gone for about six months, putting ...

NASA astronauts are returning to Earth after nine months in space. Experts have said a prolonged period in space can come ...

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

(AP) — NASA astronauts Butch Wilmore and Suni Williams aren’t the first to run late in space, and their 9 ½-month mission falls short of any endurance record. But never before has a quick ...

Two NASA astronauts have ... gone for about six months, putting Wilmore and Williams among rare company, according to NASA's Jet Propulsion Laboratory. What is the longest a human can stay in space?