If astronaut Shubhanshu Shukla had fallen ill, suffered an injury, or become unfit for medical clearance prior to the launch, ...

Polish astronaut Sławosz Uznański-Wiśniewski and three crewmates have arrived at the International Space Station, each ...

There are no doctors in space, but NASA and other space agencies take special care of the health of astronauts.

As Shubhanshu Shukla reached the ISS, he was assigned a unique number. But why are astronauts given these numbers? Here's ...