NASA is weighing the risk of adding astronauts to the first flight of its new megarocket, designed to eventually send crews to Mars.
A SpaceX rocket soared from NASA's long-idled moonshot pad Sunday, sending up space station supplies from the exact spot where astronauts embarked on the lunar landings nearly a half-century ago.
SpaceX aborted its planned Dragon cargo launch to the International Space Station just seconds before liftoff Saturday due to a "slightly odd" technical issue with the Falcon 9 rocket engine.
A relic from America's first space tragedy is finally going on display this week, 50 years after a fire on the launch pad killed three astronauts at the start of the Apollo moon program.
NASA has completed a major milestone on its journey to Mars and is ready to begin another phase of work on its spaceport of the future, where the next generation of astronauts will launch to Mars and other deep-space destinations.
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.
Boeing already has the Dreamliner. Now it also has the Starliner.
Fresh food grown in the microgravity environment of space officially is on the menu for the first time for NASA astronauts on the International Space Station. Expedition 44 crew members, including NASA's one-year astronaut ...
SpaceX is sending its unmanned Dragon cargo ship on its sixth official supply mission to the International Space Station on Monday, should the weather behave itself.
New video recorded during the return of NASA's Orion through Earth's atmosphere this month provides a taste of the intense conditions the spacecraft and the astronauts it carries will endure when they return from deep space ...