Research, led by Gabriela Canalizo of the University of California, Riverside, points to a spectacular collision of galaxies RIVERSIDE, Calif. – New images taken with NASA’s Hubble Space Telescope – ...

Observations confirm astronomers' expectation that early-Universe quasars formed in regions of space densely populated with companion galaxies. DECam's exceptionally wide field of view and special ...

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One of the farthest known quasars seems to have shut down the creation of new stars in all the galaxies within its vicinity. A quasar is a powerful source of light, created by torrid gas orbiting a ...

Quasars are the most luminous objects in the universe and are powered by material accreting onto supermassive black holes at the centers of galaxies. Studies have shown that early-universe quasars ...

Quasars are among the brightest, most energetic objects in the universe, powered by supermassive black holes devouring matter ...

Astronomers have characterized a bright quasar, finding it to be not only the brightest of its kind, but also the most luminous object ever observed. Quasars are the bright cores of distant galaxies ...

What has appeared as a mild-mannered elliptical galaxy in previous studies is revealing its wild side in new images taken with NASA’s Hubble Space Telescope. The Hubble photos show shells of stars ...