Today, after 16 years of exemplary service, NASA will officially deactivate the Spitzer Space Telescope. Operating for over a decade beyond its designed service lifetime, the infrared observatory ...

which is the far end of the mid-infrared band). PRIMA would be 100 times more sensitive than its precursor missions, NASA's Spitzer Space Telescope and the European Space Agency's Herschel Space ...

and even the infrared Spitzer Space Telescope can register. Like Webb, Spitzer is a cryogenic telescope with a beryllium mirror, but less than one meter in diameter—“a tiny little tiny can ...

(Another space telescope, Fermi, replaced it in 2008.) But Spitzer and Chandra are still up—way up—and running, unlocking secrets of the universe and surpassing the hopes of the people who ...

NASA’s retired Spitzer Space Telescope captured the same shot in 2006, with scientists then dubbing the stellar jet “the cosmic tornado.” But it was too fuzzy to make out the background ...

The Hubble is just one of NASA's orbiting "great observatories." The group also includes the Spitzer Space Telescope and the Chandra X-ray Observatory. Spitzer is an infrared orbiting telescope ...