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 ...

NASA turned off its Spitzer Space Telescope yesterday (Jan. 30), ending a 16-year mission. The agency at first stretched the observatory's tenure to overlap with that of the next great infrared ...

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.

NASA’s Spitzer space telescope spotted 7 Earth-size worlds orbiting another star, a new ring around Saturn and many more wonders in space. An infrared image of Messier 101, or the Pinwheel ...

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 ...

The Spitzer Space Telescope’s intriguing name pays homage to an astrophysicist named Lyman Strong Spitzer, Jr. who is often considered one of the most renowned scientists of the 20th century.

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.