In this spectacular image, observations using infrared light and X-ray light see through the obscuring dust and reveal the intense activity near the galactic core.
In this spectacular image, observations using infrared light and X-ray light see through the obscuring dust and reveal the intense activity near the galactic core.
In celebration of the International Year of Astronomy 2009, NASA's Great Observatories -- the Hubble Space Telescope, the Spitzer Space Telescope, and the Chandra X-ray Observatory -- have produced a ...
NASA's Spitzer Space Telescope captured this infrared image of a giant halo of very fine dust around the young star HR 8799, located 129 light-years away in the constellation Pegasus.
A new slide show features a few gems from the cosmos, including sparkling clusters of baby stars and the shimmery demise of a dying star.
Images of life and death in the universe.
NASA's Spitzer Space Telescope is using its infrared eyes to turn the dark and dusty cosmos into a beautiful garden of colorful objects.
This artist's animation illustrates how silicate crystals like those found in comets can be created by an outburst from a growing star.
After more than five years, Spitzer is completing its original assignment to study the cool universe and is now moving on to a new "warm" career.
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A big bully of a galaxy has been caught stealing gas -- fuel for stars -- from a nearby, smaller galaxy.
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