NASA is weighing the risk of adding astronauts to the first flight of its new megarocket, designed to eventually send crews to Mars.
NASA is in an awkward in-between time right now. Since the beginning of the space age, the agency has had the ability to send its astronauts into space. The first American to go to space, Alan Shepard, did a suborbital launch ...
SpaceX postponed until Monday its first rocket launch since an explosion after liftoff destroyed its unmanned Dragon cargo ship bound for the International Space Station six months ago.
A $180 million satellite to study the world's oceans in a changing climate will blast off Sunday atop a Falcon 9 rocket, which SpaceX will try to land on a floating platform after launch.
China on Sunday recovered an experimental probe launched aboard a new generation rocket, marking another milestone in its increasingly ambitious space program that envisions a mission to Mars by the end of the decade.
Three astronauts blasted off into the early morning sky in an upgraded Soyuz spacecraft from Russia's Baikonur cosmodrome Thursday, heading towards the International Space Station.
Testing on the James Webb Space Telescope successfully resumed last week at NASA's Goddard Space Flight Center, in Greenbelt, Maryland.
SpaceX on Thursday announced plans to launch its Falcon 9 on December 19, its first mission since a massive explosion after liftoff destroyed the rocket and its space station cargo six months ago.
In the very last second before liftoff Sunday, SpaceX scrubbed the launch of its Falcon 9 rocket to send a communications satellite into orbit, marking the third delay since last week.
SpaceX aims to launch another load of space station supplies for NASA, including a critical docking port needed by new U.S. crew capsules set to debut next year.