HOUSTON, Sept. 9 /PRNewswire-USNewswire/ -- NASA astronaut and U.S. Navy Capt. Heidemarie M. Stefanyshyn-Piper has left NASA to return to the Navy.

NASA astronaut and US Navy Capt. Heidemarie M Stefanyshyn-Piper has left NASA to return to the Navy.

WASHINGTON, Oct. 1 /PRNewswire-USNewswire/ -- NASA has assigned the space shuttle crew for Endeavour's STS-126 mission, targeted for launch in September 2008. The flight will deliver equipment to the International Space Station that will enable larger crews to reside aboard the complex.

By John Schwartz New York Times News Service HOUSTON -- Two astronauts made spacewalking look easy on Tuesday as they hooked up the newest part of the International Space Station, a 35,000-pound truss with a solar array that will provide additional power to the station.