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Watch ULA assemble Atlas V rocket ahead of Boeing Starliner astronaut test flight (video)

United Launch Alliance's new video highlight's how the Atlas V launch vehicle for Boeing's Starliner was stacked and mated to the spacecraft.

Watch ULA assemble Atlas V rocket ahead of Boeing Starliner astronaut test flight (video)

NASA's Hubble Telescope is back in action — but its TESS exoplanet hunter may now be in trouble

Both the Hubble Telescope and TESS exoplanet hunter went into safe mode on April 23. Hubble is back on, but TESS remains off.

NASA's Hubble Telescope is back in action — but its TESS exoplanet hunter may now be in trouble

NASA selects Rocket Lab for back-to-back climate change research launches

NASA's PREFIRE mission will deploy a pair of satellites from twin launches aboard Rocket Lab's Electron rockets that will contribute to climate change...

NASA selects Rocket Lab for back-to-back climate change research launches

SpaceX to launch 23 Starlink satellites tonight in 2nd half of spaceflight doubleheader

SpaceX is scheduled to launch another batch of its Starlink internet satellites tonight (May 2), on the second half of a planned spaceflight doublehea...

SpaceX to launch 23 Starlink satellites tonight in 2nd half of spaceflight doubleheader

Some planets 'death spiral' into their stars and scientists may now know why

WASP-12b is a planet on a date with a fiery destiny, doomed to plunge into its sun-like star. Scientists may finally know why some hot Jupiters eventu...

Some planets 'death spiral' into their stars and scientists may now know why

NASA inspector general finds Orion heat shield issues 'pose significant risks' to Artemis 2 crew safety

NASA's inspector general writes that the Artemis 1 test flight of the Orion spacecraft revealed anomalies that "pose significant risks to the safety o...

NASA inspector general finds Orion heat shield issues 'pose significant risks' to Artemis 2 crew safety