Sunita Williams and Butch Wilmore, along with a fellow NASA astronaut and a Russian cosmonaut, returned to Earth aboard a SpaceX Crew Dragon spacecraft. We talked to doctors to understand the health impact the astronauts are likely to face after staying in space for over 9 months.

US astronauts Butch Wilmore and Suni Williams — who have been stranded at the International Space Station for nine months for what was supposed to be a 10-day trip — are finally earthbound. You don’t have to be a rocket scientist to realize that spending the better part of a year in outer space might have an impact on your health,