International Space Station managers Friday cleared astronauts Barry "Butch" Wilmore and Terry Virts to proceed with a third spacewalk Sunday after concluding a small amount of water in Virts' space helmet after an EVA Wednesday was an understood condition.
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Astronauts Barry "Butch" Wilmore and Terry Virts carried out the second of three spacewalks to help ready the lab complex for dockings by commercial crew capsules. Back inside the station's airlock, Virts reported a small amount of water in his space helmet, but officials said he was never in any danger.
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Astronauts Barry "Butch" Wilmore and Terry Virts floated outside the International Space Station Saturday and installed wiring needed for two new docking mechanisms that will be attached later this year for use by Boeing and SpaceX crew capsules.
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Boeing, United Launch Alliance, NASA and the Air Force broke ground Friday for construction of a 20-story-tall launch pad crew access tower that will be used by astronauts taking off atop ULA Atlas 5 rockets aboard Boeing's commercially developed CST-100 ferry craft starting in 2017.
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NASA space station managers decided Thursday to delay the first two of three planned spacewalks by one day to give flight controllers and engineers a chance to catch their collective breath after exhaustive troubleshooting to verify the health of critical internal spacesuit components.
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Six hours after launch from Kazakhstan Tuesday, a Russian Progress supply ship loaded with 3.1 tons of supplies and propellant completed a problem-free automated rendezvous with the International Space Station, gliding to a smooth docking 257 miles above the Atlantic Ocean. Read More...

A SpaceX Falcon 9 rocket finally climbed into space Wednesday, boosting a space weather sentinel onto a million-mile trajectory to provide early warning of potentially dangerous solar storms.
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Launch of a SpaceX Falcon 9 rocket carrying a space weather satellite was scrubbed Tuesday by high winds aloft, but the company pressed ahead with recovery of a returning space station cargo ship. Read More...

Launch of a satellite dreamed up 17 years ago by Al Gore to provide continuous views of Earth via the internet and now repurposed to serve as a space weather station was scrubbed Sunday by a radar glitch. Read More...

The Obama administration's fiscal 2016 budget includes $18.5 billion for NASA -- a half-billion-dollar increase -- that continues development of a new mega-rocket and capsule for deep space exploration and significantly boosts funding for commercial spacecraft to ferry crews to and from the space station. Read More...