NASA has selected six planet hunters as the recipients of the 2012 Carl Sagan Exoplanet Postdoctoral Fellowships, named after the late astronomer.

One day, years from now--or maybe billions of years, no one knows--aliens might be surprised to run across an old spaceship from Earth.

NASA will hold a special Science Update at 1 pm EDT on Thursday, April 28, to discuss the unprecedented journey of NASA's twin Voyager spacecraft to the edge of our solar system.

WASHINGTON, Dec. 1, 2010 /PRNewswire-USNewswire/ -- A team of astronomers, including two NASA Sagan Fellows, has made the first characterizations of a super-Earth's atmosphere by using a ground-based telescope.

TEMPE, Ariz., Oct. 8, /PRNewswire/ -- Steve Squyres, the principal investigator for the science payload on NASA's Mars Exploration Rover mission, received the 2010 Eugene Shoemaker Memorial Award Oct.