NASA's Crew-9 looks different from the original plan. Now only an astronaut and a cosmonaut will launch onboard the SpaceX Dragon. Here's why.

Check out the top ten secrets of the Kennedy Space Center Visitor Complex from a former space reporter and current dad.

Shuttle lands in Calif. after rainouts in Fla. and mission to repair Hubble. May 24, 2009— -- Space Shuttle Atlantis, concluding a 13-day flight to repair the Hubble Space Telescope, came in for ...

McArthur launched on two spaceflights, logging 213 days in orbit across her nearly 25 years, and held leadership positions at ...

Astronaut Megan McArthur's first spaceflight was aboard the space shuttle Atlantis in 2009 on the STS-125 mission, the fifth ...

SpaceX called off a launch attempt Sunday after detecting a leak in the plumbing that flows super-cold liquid oxygen ...