Browse Archive
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Galaxy-Exploring Mission Marks Sixth Anniversary
NASA's Galaxy Evolution Explorer Mission marks its sixth anniversary studying galaxies beyond our Milky Way through its sensitive ultraviolet telescope.
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Radio Telescope Takes Close-ups of Fermi Galaxies
An international team of astronomers has used the world’s biggest radio telescope to look deep into the brightest galaxies that NASA’s Fermi Gamma-ray Space Telescope can see.
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Hubble Celebrates Its 19th Anniversary
To commemorate the Hubble Space Telescope's 19 years of historic, trailblazing science, the orbiting telescope has photographed a peculiar system of galaxies known as Arp 194.
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Kepler Captures First Views of Planet-Hunting Territory
NASA's Kepler mission has taken its first images of the star-rich sky where it will soon begin hunting for planets like Earth.
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A Cosmic Free-for-All
The most crowded collision of galaxy clusters has been identified by three different telescopes.
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Hubble Sees Spectacular Black Hole Flaring
A flare-up in a jet of matter blasting from a monster black hole is giving astronomers an incredible light show.
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Webb Telescope Mirror Completes Cryogenic Testing
The first mirror segment that will fly on the James Webb Space Telescope has completed a series of cryogenic temperature tests in the X-ray and Cryogenic Facility at the Marshall Space Flight Center.
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Dust Cover Jettisoned From NASA's Kepler Telescope
Engineers have successfully ejected the dust cover from NASA's Kepler telescope, a spaceborne mission soon to begin searching for worlds like Earth.
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Cool Stars Have Different Mix of Life-Forming Chemicals
Life on Earth is thought to have arisen from a hot soup of chemicals. Does this same soup exist on planets around other stars?
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Active Galaxies Flare and Fade in Fermi All-Sky Movie
The gamma-ray sky comes alive in a movie made from Fermi Space Telescope data during its first three months of operations.