SpaceX is scheduled to bring home two astronauts who have been on the International Space Station since June. Mr. Musk said President Trump had asked for that to occur “as soon as possible.” ...

While Suni Williams and Butch Wilmore’s situation is unusual, their return trip will be pretty routine, as they were already ...

The SPHEREx comprises two main sections — the bottom half is the spacecraft with the onboard computer, telecom system, solar ...