The decision to have the astronauts take shelter in the spacecraft was made “out of an abundance of caution,” according to a NASA spokesperson

Astronauts on the International Space Station (ISS) were ordered to shelter in an attached spacecraft after the structure suddenly started leaking more air.

The four astronauts of NASA’s Crew-12 mission aboard the station — two Americans, a French astronaut and a Russian cosmonaut — along with another U.S. astronaut were ordered by NASA mission ​control ...