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.
Read More...

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 (MDM EXT-2 replacement). Read More...

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.
Read More...

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.
Read More...

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.
Read More...

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.
Read More...

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...

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.
Read More...