NASA’s SpaceX Crew 9 cannot return unless Crew 10 — its replacement — is launched into space. Here’s all you need to know about Sunita Williams’s space mission.

More than 300 questions were submitted by students from around the country, but only 25 were selected. Two of the questions came from Claymont.

Sunita Williams, the seasoned astronaut, finds herself not alone but in the company of a diverse group of scientists aboard the International Space Station (ISS).