Using the Atacama Large Millimeter/submillimeter Array (ALMA), astronomers have discovered a close pair of quasars, which is ...
Four space telescopes have watched a quasar lose more than 90 percent of its X-ray brightness in roughly five years, while its visible light and infrared glow barely budged. The object, cataloged as ...
CAPE CANAVERAL, Fla. (AP) — Astronomers have discovered what may be the brightest object in the universe, a quasar with a black hole at its heart growing so fast that it swallows the equivalent of a ...
Add Yahoo as a preferred source to see more of our stories on Google. In an astonishing discovery, astronomers have identified an immense water reservoir orbiting a quasar more than 12 billion ...
By analyzing the data from various space observatories, Chinese astronomers have inspected a nearby quasar designated SDSS ...
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 ...