Virgin Galactic has taken the wraps off a concept for an airplane capable of flying three times the speed of sound, to be developed with support from Boeing and Rolls-Royce.

The project would be distinct from Virgin Galactic's SpaceShipTwo suborbital space plane program, which is closing in on the start of commercial operations at Spaceport America in New Mexico.

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With the fiery flash of a rocket launch, NASA's Perseverance rover headed out today for what's expected to be a decade-long campaign to store up and bring back Martian samples that may hold evidence of alien life.

United Launch Alliance's Atlas 5 rocket lifted off from Cape Canaveral Air Force Station in Florida at 7:50 a.m. ET (4:50 a.m. PT), sending the rover into space for a seven-month cruise to Mars.

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SpaceX launched two NASA astronauts to the International Space Station today, becoming the first company to send humans to orbit on a commercial spaceship.

The Falcon 9 rocket's liftoff from NASA's Kennedy Space Center in Florida at 3:22 p.m. ET (12:22 p.m. PT) marked a feat that America hadn't been able to perform since NASA retired its space shuttles in 2011: launching American astronauts on an American rocket from American soil.

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