The United States marked the 30th anniversary Thursday of the explosion of the Challenger space shuttle with a pledge to remember lost astronauts as it presses on toward Mars.
The release of the hit movie The Martian highlighted the diverse engineering challenges in visiting the distant surface of another world. More recently, the historic landing of SpaceX's Falcon first stage gives hope that ...
SpaceX received orders Friday from the US space agency to send astronauts to the International Space Station in the coming years, helping restore US access to space, NASA said.
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 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.
The head of NASA appealed to Congress on Friday to put more money into restoring America's ability to send astronauts into space instead of relying on Russian rockets.
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.
The space shuttle Endeavour is retired and on display at the California Science Center, but it's still contributing to the space program.
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.
Three high school students were going to get the science lesson of a lifetime by flying their experiment in space.