A team of planet hunters is looking for Earthlike planets orbiting the sun's closest neighbor.
A team of planet hunters is looking for Earthlike planets orbiting the sun's closest neighbor.
Hubble images reveal 14 young, runaway stars plowing through regions of dense interstellar gas, creating brilliant arrowhead structures and trailing tails of glowing gas.
NASA's Kepler spacecraft, scheduled to launch in March on a journey to search for other Earths, arrived in Cape Canaveral, Fla.
A mysterious flash of light from somewhere near or far in the universe is still keeping astronomers in the dark long after it was first detected in 2006.
An ongoing X-ray survey undertaken by NASA's Swift spacecraft is revealing differences between nearby active galaxies and those located about halfway across the universe.
Astronomers have, for the first time, identified gas molecules in the host galaxy of a gamma-ray burst.
The Fermi Space Telescope has discovered 12 new gamma-ray-only pulsars and detected pulses from 18 others.
Two new efforts have taken a famous supernova remnant from the static to the dynamic.
01.28.09 - NASA is giving everyone the opportunity to use the world's most celebrated telescope to explore the heavens and boldly look where the Hubble Space Telescope has never looked before.
01.27.09 - The launch of NASA's Kepler telescope, the first mission capable of finding Earth-size and smaller planets around other stars, is scheduled for March 5 at 10:48 p.m. EST, from Cape Canaveral Air Force Station, Fla.
Audio and video podcasts on NASA missions looking for answers deep into the cosmos.