The space shuttle Endeavour is retired and on display at the California Science Center, but it's still contributing to the space program.
Gravity is a constant for all organisms on Earth. It acts on every aspect of our physiology, behavior and development – no matter what you are, you evolved in an environment where gravity roots us firmly to the ground.
This 70mm frame shows the 50,162-pound Chandra X-ray Observatory before it was tilted upward for its release from the Space Shuttle Columbia's payload bay on July 23, 1999, just a few hours following the shuttle's arrival ...
The National Transportation Safety Board is considering what caused a Virgin Galactic spaceship to break apart over the Mojave Desert during a test flight 10 months ago, killing the co-pilot and seriously injuring the pilot.
The spectacular failure of the SpaceX Falcon 9 rocket last week underscores a growing problem for NASA: its reliance on private companies and Russia in order to launch many of its crucial missions.
Private US space transport company SpaceX is to test an eject button for astronauts on Wednesday in the first flight test of the abort system on the Dragon spaceship.
Three high school students were going to get the science lesson of a lifetime by flying their experiment in space.
On June 18, 1983, Sally Ride became the first American woman to fly in space when the space shuttle Challenger launched on mission STS-7 from Pad 39A at NASA's Kennedy Space Center in Florida. The STS-7 crew consisted of ...
NASA has selected four veteran astronauts to lead the way back into orbit from U.S. soil.
The glittering tapestry of young stars flaring to life in this new NASA/ESA Hubble Space Telescope image aptly resembles an exploding shell in a fireworks display. This vibrant image of the star cluster Westerlund 2 has been ...