NASA's Spitzer Space Telescope was launched in 2003 to study the universe in the infrared. It has also helped astronomers discover extrasolar planets.

NASA's Spitzer Space Telescope (Mission Overview) by NASA Jet Propulsion Laboratory on YouTube When the helium coolant ran out in 2009, two of its three instruments — an infrared spectrograph ...

After studying the cosmos for 16 years, NASA's Spitzer Space Telescope will shut down Thursday after mission officials send the observatory its final command.

After 16 years of incredible discoveries, NASA's retiring Spitzer Space Telescope is going gently into that good night, slumbering against a background of stars -- the very ones it helped study.

Artist's view of the Spitzer Space Telescope against the infrared sky. The band of light is the glowing dust emission from the Milky Way galaxy seen at 100 microns (as seen by the IRAS/COBE missions).

NASA’s Spitzer Space Telescope will be decommissioned on the 30th of January after 16 years of studying exoplanets, our own solar system and far-off galaxies. Because it sees in infrared, AKA ...

After more than 16 years of observations, NASA’s Spitzer Space Telescope retired on Thursday. Next up is the space administration’s James Webb Space Telescope, which will be the next decade ...

To mark its third year of highly productive science, astronomers used the NASA/ESA/CSA James Webb Space Telescope to scratch beyond the surface of the Cat's Paw Nebula (NGC 6334), a massive, local ...

NASA's newest astrophysics space telescope launched in March on a mission to create an all-sky map of the universe. Now ...

After studying the cosmos for 16 years, NASA's Spitzer Space Telescope will shut down Thursday after mission officials send the observatory its final command.