SpaceX

Trio of launch providers is awarded a total of 54 national security spaceflight missions over about five years.

International four-person crew returns after nearly four days flying a 90-degree polar orbit and observing Earth’s poles from orbit for the first time.

Investigation into second recent SpaceX rocket explosion still underway.

Agency describes the flight as a ‘crew-capable post-certification mission’ but acknowledges the possibility of flying without astronauts.

Isar Aerospace plans to send off its two-stage-to-orbit Spectrum rocket from Andøya Spaceport in Norway.

Commercial mission plans to observe Earth’s poles from low-Earth orbit for the first time and complete 22 research experiments, among other objectives.

Many tests and milestones lie ahead for the Staship rocket.

NASA is considering flying the capsule without a crew on its next test flight.

Americans Butch Wilmore and Suni Williams are safely brought home after 286 days in space.

NASA targets Tuesday at 5:57 p.m. for the return of astronauts Butch Wilmore and Suni Williams, who flew to the ISS on Boeing Starliner’s inaugural crew flight test.