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.

Spitzer's powerful gaze allowed scientists to see clouds forming on other planets, which the telescope did during a collaboration with NASA's Kepler space telescope in 2013.

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

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.

A Delta II rocket launched the Spitzer Space Telescope two decades ago, boosting it to an Earth-trailing orbit, where it drifted away from our planet at a rate of about 15 million kilometers a year.

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.

Infrared data from NASA’s now-retired Spitzer Space Telescope (shown in red, green, and blue) as also included. Cartwheel Galaxy The Cartwheel Galaxy as seen by the James Webb Space Telescope ...

Astronomers have discovered a strange new object in our Milky Way galaxy. The celestial object is emitting X-rays around the same time it's shooting out radio waves.

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.