Latest Spitzer Space Telescope Stories
Astronomers have detected a new exoplanet 33 light-years away that is two-thirds the size of Earth, making it the nearest known world to our solar system that is smaller than our home planet.
Black holes in the early universe needed a few snacks rather than one giant meal to fuel their quasars and help them grow, according to observations from NASA's Spitzer and Hubble space telescopes.
The faint, lumpy glow given off by the very first objects in the universe may have been detected with the best precision yet, using NASA's Spitzer Space Telescope. These faint objects might be wildly massive stars or voracious black holes.
Light from a "super-Earth" planet that lies beyond our solar system has been detected for the first time by NASA's Spitzer Space Telescope.
Images from NASA's Wide-field Infrared Survey Explorer (WISE) reveal an old star in the throes of a fiery outburst, spraying the cosmos with dust.
The Spitzer Space Telescope has helped astronomers reveal that the Sombrero galaxy is both a rotund and a slender disk galaxy.
A University of Oklahoma assistant professor and colleagues have identified two white dwarf stars considered the oldest and closest known to man.