Hubble has captured an instantaneous glimpse of many hundreds of thousands of stars moving about in the M13 globular cluster.
Hubble has captured an instantaneous glimpse of many hundreds of thousands of stars moving about in the M13 globular cluster.
Swift caught sight of a splintered comet fragment as it passed by the Ring Nebula.
Chandra snaps one of the longest exposures ever obtained of a spiral galaxy -- in X-rays.
Hubble has helped astronomers determine why a small, nearby, isolated galaxy pumps out new stars faster than any other in our local neighborhood.
Nested bubbles in a massive elliptical galaxy provide clues of black hole activity.
In a chain of events similar to Neptune's discovery in 1846, the Hubble has taken the first visible-light picture of a planet orbiting another star.
A new nano satellite mission, called 'Firefly,' sponsored by the National Science Foundation and led by NASA's Goddard Space Flight Center will explore the relationship between lightning and these sudden bursts, called Terrestrial Gamma Ray Flashes.
NASA's Hubble Space Telescope has taken the first visible-light snapshot of a planet circling another star.
12.03.08 - NASA will hold a briefing at noon EST, Thursday, Dec. 4, about the agency's Mars Science Laboratory, or MSL.
11.24.08 - NASA is officially moving forward on a mission to conduct an unprecedented, in-depth study of Jupiter.
Audio and video podcasts on NASA missions looking for answers deep into the cosmos.