NASA astronauts Sunita "Suni" Williams and Barry "Butch" Wilmore have been on the International Space Station since June, even though they initially expected to stay for just eight days. But now, NASA might bring the two astronauts home several weeks earlier than expected.

NASA's Sunita Williams and Barry Wilmore have been in space since June, here's how overtime works for astronauts

NASA has officially announced the return date for Butch Wilmore and Suni Williams, the two astronauts who have been stranded in space for eight months. Originally scheduled for an eight-day mission aboard the International Space Station (ISS),