NASA's Orion capsule completes smooth test flight

A Delta 4 rocket boosted NASA’s Orion deep space exploration vehicle to an altitude of 3,600 miles Friday, setting up a dramatic re-entry and a successful splashdown to close out a milestone test flight. Read More...

Delta 4/Orion launch delayed by wind, valve problems

Launch of a powerful Delta 4 rocket carrying NASA's new Orion deep space exploration craft was called off Thursday because of high winds and trouble with sluggish propellant valves. Read More...

Engineers make final preparations for Orion launch

Engineers made final preparations Wednesday for the maiden launch of NASA's new Orion deep space exploration craft early Thursday on a long-awaited test flight. Read More...

Japan launches Hayabusa2 asteroid mission

An H-2A rocket blasted off from Japan's picturesque Tanegashima Space Center late Tuesday, boosting an innovative science probe into space for a six-year mission to rendezvous with an asteroid and bring soil samples back to Earth. Read More...

NASA poised to launch first Orion test flight

NASA is gearing up for a milestone unmanned test flight Thursday, the first launch of the agency's Orion deep space exploration spacecraft intended to one day carry astronauts on missions beyond low-Earth orbit and, eventually, Mars.
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Soyuz rockets into orbit, carries three to space station

Braving near-zero temperatures, a Russian Soyuz spacecraft carrying a crew of three vaulted into orbit Sunday and docked with the International Space Station six hours later. (UPDATED) Read More...

Philae comet lander loses power, drops off line

Trapped in rough, forbidding terrain with its solar panels draped in shadow, the Philae comet lander raced the clock Friday to carry out high-priority science operations, including an attempt to drill into the surface of the nucleus, before exhausting its batteries. Read More...

Philae comet lander bounced into shadows, raising battery fears

When the Philae spacecraft landed on a comet Wednesday, the anchors needed to hold it down in the feeble gravity failed to fire and the lander bounced back into space, soaring more than a half mile before hitting the ground more than a half mile away. Read More...

Rosetta comet lander touches down; status uncertain

The European Space Agency's Rosetta probe released a small lander early Wednesday that descended to touchdown on the surface of Comet 67P/Churyumov-Gerasimenko, but it was not immediately clear whether the spacecraft was stable in the feeble gravity. Read More...

Rosetta poised to release comet lander in historic first

The European Space Agency's Rosetta probe, flying in close formation with a slowly tumbling comet, was on track to release a small lander Wednesday that will attempt an unprecedented touchdown on the boulder-strewn, debris-spewing nucleus. Read More...

Soyuz TMA-13M carries three station fliers back to Earth

A veteran cosmonaut, a German volcanologist and a Navy test pilot-turned-astronaut whose mastery of social media earned him -- and NASA -- a global following, undocked from the International Space Station and returned to Earth Sunday after 165 days aloft.
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Comet's brush with Mars generates 'mind-blowing' meteor shower

Comet Siding Spring's close flyby of Mars last month dumped several tons of primordial dust into the thin martian atmosphere, likely creating a brief but spectacular meteor shower with thousands of shooting stars had any astronauts been there to see it. Read More...

Orbital accelerates plan to re-engine Antares in wake of failure

Orbital Sciences is accelerating development of a replacement engine for its Antares rocket in the wake of a spectacular Oct. 28 launch disaster that apparently was triggered by the failure of a Russian-built first-stage engine.
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NTSB provides timeline of SS2 mishap

Just 13 seconds after Virgin Galactic's SpaceShipTwo began a rocket-powered test flight last Friday -- and just five seconds after its innovative aero-braking system was inadvertently deployed at supersonic speeds -- the spaceplane apparently broke up. Read More...

Station astronaut says commercial space 'next breakthrough'

Space station astronaut Reid Wiseman, preparing to return to Earth this weekend after 165 days in orbit, said Monday commercial spaceflight represents the "next breakthrough" in aerospace technology.
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