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NASA Events:

Expedition 27 Crew to Dock at Space Station Tonight

NASA astronaut Ron Garan and Russian cosmonauts Andrey Borisenko and Alexander Samokutyaev are scheduled to dock their Soyuz spacecraft to the station at 7:18 p.m. EDT, bringing the Expedition 27 crew to its full six-member complement.

› Latest Updates | › Watch Launch Video | › Expedition 27 | › Twitter: @Astro_Ron→

NASA Retargets Space Shuttle Endeavour's Launch For April 29

NASA has re-targeted the launch of space shuttle Endeavour's STS-134 mission for 3:47 p.m. EDT on Friday, April 29. The delay removes a scheduling conflict with a Russian Progress supply vehicle.

› Space Shuttle Section | › Interactive Mission Timeline | › M113s Give Armored Ride to Firefighters

Global Hawks Mark Year of Science Flights

This week marks the first anniversary of the NASA Global Hawk project’s initial science mission. On April 7, 2010, Global Hawk No. 872 took off from California for its first science foray over the Pacific Ocean.

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NASA's Spitzer Discovers Time-Delayed Jets Around Young Star

Astronomers have discovered that two symmetrical jets shooting away from opposite sides of a blossoming star are experiencing a time delay: knots of gas and dust from one jet blast off four-and-a-half years later than knots from the other.

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The End of a Remarkable Mission: SeaWiFS’ Thirteen Years of Observing Earth

The SeaWiFS – Sea-viewing Wide Field-of-view-Sensor – instrument was the first to give scientists a complete measure of the planet’s land- and water surface-based biological life from a single instrument.

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NASA Announces the Winners in Great Moonbuggy Race

NASA's 18th annual Great Moonbuggy Race has raced to a successful finish! And the winners are...

› 2011 Great Moonbuggy Race | › Race Photos on Flickr→ | › See the Faces of the Race on Flickr→ | › Moonbuggy Race Blog

On March 14, the P-3B carried Operation IceBridge scientists and instruments from NASA's Wallops Flight Facility in Wallops Island, Va., to Thule Air Base in Greenland, where the Arctic 2011 campaign will be based. Credit: NASA/Jim Yungel

Arctic Ice Gets a Check Up

Scientists tracking the annual maximum extent of Arctic sea ice said that 2011 was among the lowest ice extents measured since satellites began collecting the data in 1979.

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