Two NASA astronauts, a Japanese astronaut and a cosmonaut will head to the International Space Station on Wednesday -- meaning the two "stranded" astronauts can finally come home.

SpaceX is about to send four astronauts to the space station in its first crewed mission since September last year.

NASA astronauts Suni Williams and Butch Wilmore joined Crew-9 member Nick Hague from the ISS to talk Tuesday about their upcoming return to Earth.