Today in the history of astronomy, an infrared view opens up the universe.

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, 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 ...

The Spitzer Space Telescope turned 16 earlier this week, and now that Friday has come at last, it's time to celebrate Spitzer's Sweet 16 in style.

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 ...

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 ...

(Science Times) On Thursday, NASA’s Spitzer space telescope signed off and went silent. But even during its final week of operation, the spacecraft was making one-of-a-kind observations. The … ...

Spitzer, originally called the Space Infrared Telescope Facility, was renamed after its launch in honor of the late astronomer Lyman Spitzer.

A NASA space telescope recently passed 5,000 days since the start of its mission in 2003, and it's still going strong. The Spitzer Space Telescope studies cosmic targets that radiate infrared ...

CBS News – NASA’s Spitzer Space Telescope, one of the agency’s four “Great Observatories,” will execute a final set of commands Thursday, quietly shutting down and putting itself to ...

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.