An oxidizer leak on the propulsion system of SpaceX’s Dragon capsule pushed NASA to delay its next crew rotation flight to ...

SpaceX's Crew-13 mission to the International Space Station is now scheduled to launch on Oct. 1, nearly three weeks after the original target date of Sept. 12.

The next NASA crew rotation on the International Space Station has been delayed, extending the stay of the current crew ...

NASA is potentially days away from the launch of its Nancy Grace Roman Space Telescope. Here's how SpaceX's Falcon Heavy will send it to space.

NASA is potentially days away from the launch of its Nancy Grace Roman Space Telescope from the Kennedy Space Center near Cape Canaveral.

NASA’s Roman Space Telescope has been cleared for final launch preparations ahead of a targeted August 30 liftoff aboard SpaceX’s Falcon Heavy. The powerful new observatory will probe cosmic expansion ...

SpaceX will launch the Nancy Grace Roman Space Telescope, NASA's next great observatory, atop a Falcon Heavy rocket on Aug. 30. Here's what time it flies.

After a flawless launch, the Nancy Grace Roman Space Telescope is on a mission to solve some of the universe’s biggest mysteries ...

The $4 billion observatory is on a million-mile journey to an orbit beyond the moon. Its five-year mission is to study dark matter and hunt for habitable worlds outside our solar system. The telescope ...

Add Yahoo as a preferred source to see more of our stories on Google. NASA's cutting-edge Nancy Grace Roman Space Telescope is due in the coming days to hitch a ride to space from Florida. But before ...