ULA defends 27-rocket 'block buy' contract

Responding to complaints from SpaceX, United Launch Alliance said it won a sole-source military launch contract because it was the only company that fully met Pentagon requirements.
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SpaceX challenges Air Force launch contracts

SpaceX founder and chief designer Elon Musk said Friday his company is filing a lawsuit to protest what he said were unjustified, sole-source Air Force launch contracts. Read More...

Realtime coverage of U.S. EVA-26

Realtime coverage of U.S. EVA-26 (MDM EXT-2 replacement). Read More...

Dragon cargo ship attached to space station

Wrapping up a smooth two-day rendezvous, a SpaceX Dragon cargo ship was successfully attached to the International Space Station early Sunday, bringing nearly 5,000 pounds of supplies and equipment to the lab complex.
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SpaceX Falcon 9 boost Dragon/CRS-3 into orbit (UPDATED)

A SpaceX Falcon 9 rocket boosted a Dragon cargo capsule into orbit Friday, the first step in a two-day rendezvous with the International Space Station, the company's third commercial resupply mission.
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Kepler finds Earth-size planet in 'goldilocks' zone

Scientists analyzing data from the planet-hunting Kepler space telescope have chalked up another first, finding an Earth-size world orbiting in the habitable zone of its parent star, researchers announced Thursday.
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SpaceX aims for second launch try Friday

SpaceX is pressing ahead for another attempt Friday to launch a Falcon 9 rocket carrying a commercial cargo craft bound for the International Space Station, setting up an Easter Sunday rendezvous and berthing.
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SpaceX Dragon cargo flight to station scrubbed (UPDATED)

Launch of a SpaceX Falcon 9 rocket carrying a Dragon cargo capsule bound for the International Space Station was scrubbed Monday because of an apparent first stage helium leak, delaying the flight until Friday at the earliest.
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NASA studies glitch with backup ISS computer (UPDATED)

SpaceX engineers are pressing ahead with work to prepare a Falcon 9 rocket for launch Monday to boost a space station cargo ship into orbit. But a final decision will depend on troubleshooting to resolve problems with a failed computer unit aboard the lab complex. Read More...

Progress supply ship docks with space station (UPDATED)

A Russian Progress supply ship loaded with 2.9 tons of supplies and equipment bound for the International Space Station blasted off and streaked into space Wednesday, docking with the International Space Station six hours later. Read More...

Space station exempt from ban on NASA-Russia contact

NASA has been told to suspend contact with Russian government officials because of Russia's "ongoing violation of Ukraine's sovereignty and territorial integrity," according to an agency memo circulated Wednesday. The International Space Station is exempt.
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