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.

New agencies were abuzz Monday morning with reports that the head of the UN Office for Outer Space Affairs (UNOOSA) had been elected to be the first point of contact for alien lifeforms.

NASA has selected seven scientists as recipients of Carl Sagan Postdoctoral Fellowships in exoplanet exploration for 2010.

Astronomers announced today that they have discovered a "super-Earth" orbiting a red dwarf star 40 light-years from Earth.