SpaceX to launch private, all-civilian crew into Earth orbit

SpaceX is set to launch four people into space Wednesday on a three-day mission that is the first to orbit the Earth with exclusively private citizens on board, as Elon Musk's company enters the space tourism fray.

Simulations show lander exhaust could cloud studies of lunar ices

A new study led by scientists at the Johns Hopkins Applied Physics Laboratory (APL) in Laurel, Maryland, shows that exhaust from a mid-sized lunar lander can quickly spread around the Moon and potentially contaminate scientifically ...

Countdown as SpaceX, NASA prepare to test new astronaut capsule

NASA and SpaceX counted down Saturday to the launch of a new astronaut capsule on a week-long trip to the International Space Station and back—a key step towards resuming manned space flights from US soil after an eight-year ...

Mars goal: nail the landing

Three weeks from Sunday night, an amiable, whip-smart engineer named Ray Baker will be staring into his computer screen at the Jet Propulsion Laboratory, hopeful and helpless - or, as he puts it, "sweating blood."

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