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, one of the agency's original four "Great Observatories," will execute a final set of commands Thursday, quietly shutting down and putting itself to sleep after more ...

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.

CAPE CANAVERAL -- A year after its launch from Cape Canaveral, the Spitzer Space Telescope is unveiling the invisible: leftovers of stellar explosions, nurseries where stars are born, and the ...

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.

Andromeda never looked as good as it does in a new image from the Chandra X-ray observatory and a range of powerful telescopes. A fitting tribute to dark matter pioneer Vera Rubin.

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 ...

Though the Hubble Space Telescope was named after Edwin Hubble, we might not have any space telescopes (including Hubble) without the renowned astrophysicist Lyman Strong Spitzer.

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 ...

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 ...

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.