NASA's SpaceX Crew-12 heads back to Earth
NASA's SpaceX Crew-12 is returning to Earth from the International Space Station after swapping places with Crew-13. CBS News space consultant Bill Harwood has more.
<p>NASA's SpaceX Crew-12 is returning to Earth from the International Space Station after swapping places with Crew-13. CBS News space consultant Bill Harwood has more.</p>