An international team of scientists has just demonstrated, for the first time, a stream of particles escaping from a young, massive star cluster in our galaxy by combining data from NASA's Fermi ...
LOS ANGELES — Virgin Galactic rolled out a new version of its SpaceShipTwo space tourism rocket Friday as it prepares to return to flight testing for the first time since a 2014 accident destroyed the ...
After its first spaceflight in December, Virgin Galactic sent the same vessel past the edge of the atmosphere for a second time Friday. This time, the rocket plane went higher and faster than before — ...
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