The astronaut husband of wounded Rep. Gabrielle Giffords has made his choice and will reveal whether he'll fly in space or stay on Earth with his wife.

The astronaut husband of wounded Rep. Gabrielle Giffords has made his choice. He's headed to space in April.
The first person to walk on the moon, Neil Armstrong, made a rare public appearance at Alabama's space center Thursday to honor a NASA pioneer who helped figure out how to drive a rover on the moon.
The astronaut husband of wounded Rep. Gabrielle Giffords will announce Friday whether he'll fly on space shuttle Endeavour's final voyage _ and all signs are go.

At least five Earth-sized planets appear to be orbiting their stars at just the right distance to host liquid water, NASA said Wednesday, announcing a significant step in the agency's search for extraterrestrial life.
The government of India is urging the United States to show leniency toward Indian students who were enrolled at a “sham university” in California that U.S. authorities say was a front for illegal immigration.

Hundreds gathered at NASA's launch site Friday to mark the 25th anniversary of the Challenger disaster, receiving words of hope from the widow of the space shuttle's commander.

For many, no single word evokes as much pain.

Twenty-five years ago, seven astronauts died aboard space shuttle Challenger when it exploded shortly after liftoff.