Human Spaceflight

After five days of living underwater, Analog Astronaut Commander Dr. Musilova and her crew return to terra firma, affected by higher pressures and the team's disconnection from home.

Confined inside a research station 22 feet (7 meters) underwater, Analog Astronaut Commander Dr. Musilova and her crew performed research and maintenance activities like future astronauts on Mars.

Analog Astronaut Commander and Aquanaut Michaela Musilova led underwater simulated “spacewalks” in low visibility to test astronaut safety and communication protocols during simulated space missions.

NASA astronaut Luke Delaney conducts botany experiments on the ISS.

"I think motherhood eventually has to become a bigger part of the conversation if we're serious when we talk about humanity having a sustained presence beyond Earth."

On Thursday (Oct. 1), SpaceX's four-person Crew-13 mission launched toward the International Space Station. Here's a striking IR view of the liftoff.

As SpaceX's Crew-13 mission heads for the International Space Station, it restores a numbered designation not seen in U.S. crewed spaceflight in more than 50 years.

NASA's SpaceX Crew-13 rocket and spacecraft sit on the launch pad.

Research reveals that human cells exposed to simulated microgravity for 24 hours show surprisingly few changes and suggests gravity could become a form of therapy on Earth.

NASA is sticking with Boeing's beleaguered Starliner astronaut taxi but says the vehicle won't be ready to fly crewed missions to the International Space Station until 2028.