NASA astronaut Carl Walz is leaving the agency to take a job in the private sector.

The U.S. space agency says one of its veteran astronauts, Carl Walz, is resigning to take an unspecified job in the private sector.

MIAMI _ Though still stuck with the orbital delivery truck known as the space shuttle, a reenergized NASA is determined to elevate its sights and aim at the moon, Mars and other more distant _ and more theatrical _ goals, a top agency official said Thursday.

A U.S. space agency deputy administrator and Missouri Lt. Gov. Peter Kinder discussed how space exploration can benefit that state's economy. National Aeronautics and Space Administration Deputy Administrator Shana Dale and Kinder discussed the issues Tuesday during a NASA Future Forum in St. Louis.

WASHINGTON, Nov. 15 /PRNewswire-USNewswire/ -- Short but intense sessions of exercise may help women on bed rest stay strong and recuperate more quickly, according to a NASA-funded study by researchers at Ball State University, Muncie, Ind.