Two NASA astronauts, stranded at the International Space Station since June, could return to Earth weeks earlier than originally planned after SpaceX agreed to swap capsules for its upcoming flights.

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 astronaut Suni Williams was undertaking a repair on the ISS when she was photographed from Earth by an amateur astrophotographer