Atlas 5 hauled off launch pad for Starliner troubleshooting
If a valve problem with Boeing's Starliner crew capsule isn't quickly fixed, launch could slip to late this year.
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If a valve problem with Boeing's Starliner crew capsule isn't quickly fixed, launch could slip to late this year.
For Apollo 15's 50th anniversary, historian Andy Saunders painstakingly remastered stunning original photos from the historic mission.
If the Starliner's valve woes are not quickly resolved, the flight could face a lengthy delay.
Mission managers held open the option of making another attempt Wednesday afternoon, weather permitting.
The discovery proves Albert Einstein's theory of general relativity was right — again.
A successful unpiloted Starliner test flight should clear the way for astronaut flights starting late this year.
With propellant pressurization lines now vented, the new Nauka lab module is ready for activation and outfitting.
The decision clears NASA and SpaceX to resume work on a new moon lander for the agency's Artemis program.
Unexpected thruster firings from a new lab module triggered a "tug of war" that briefly knocked the space station askew.
Where there's water, there could be life as we know it.
After resolving multiple problems, Russian flight controllers cleared the way for Thursday's arrival of the new Nauka lab module.
It will be the second test flight for Boeing's astronaut ferry ship after a problem-plagued maiden flight in 2019.
The full moon may appear a reddish-orange hue — and this time, it's not because of an eclipse.
In rare instances, a camera nearly one million miles away has the chance to capture an eclipse.
The rover's samples from the floor of an ancient Martian lakebed will be retrieved and returned to Earth later this decade.