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 ...

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