Human spaceflight

Polaris Dawn has lots of science on board. The SpaceX mission will fly high in Earth orbit to investigate how the human body changes under the extreme conditions of space.

SpaceX's Polaris Dawn mission, which is scheduled to launch on Aug. 27, will feature the first-ever private spacewalk. Here's what to expect.

NASA decided Saturday (Aug. 24) to return its two Boeing Starliner astronauts to Earth in February 2025. Their Starliner capsule will come back empty over thruster concerns.

NASA leaders will give an update on Saturday (Aug. 24) to outline their plan on how to return Starliner's astronaut crew to Earth.

Two women astronauts on Polaris Dawn are set to break an altitude record set in 1990. Sarah Gillis and Anna Menon will fly higher than any female astronaut before them.

The passage of time can slow to a crawl when you're waiting, and waiting, and waiting. How will the Boeing Starliner astronauts feel time move if they have to stay in space for another 6 months?

SpaceX made several design changes to its Crew Dragon capsule to accommodate the first private spacewalk on the upcoming Polaris Dawn mission. Here are the key ones.

Veteran astronaut Jared Isaacman, a billionaire, is funding and flying on SpaceX Polaris Dawn with three other astronauts. Here who is going to space.

NASA astronaut Matthew Dominick takes a dramatic bite of an orange slice in a new video, illustrating the joy of receiving rare fresh fruit deliveries on the ISS.

John McFall, a reserve U.K. para-astronaut with the European Space Agency, recently participated in a feasibility study for ISS astronauts with disabilities. He told Space.com what's coming next.