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Aug 28, 2015 05:58 PM ET // Ian O'Neill
In a galaxy, 600 million light-years away, a black hole deathmatch is ripping up spacetime, exposing some fascinating dynamics at the heart of a powerful quasar.
Jan 23, 2015 12:05 PM ET // Ian O'Neill
For the first time, astronomers have observed the rapid dimming of a distant quasar and realized that the active black hole engine must have gone on an extreme diet.
Nov 19, 2014 06:00 AM ET // Irene Klotz
A survey of 93 quasars spread out over billions of light years shows the supermassive black holes in their cores are spinning in alignment, a hint that current models of the universe may be missing key data. Continue reading →
Sep 12, 2014 07:00 AM ET // Charles Q. Choi,
Quasars are the brightest objects in the universe, and display a mysterious diversity in their appearance that has puzzled astronomers for more than two decades.
Jun 18, 2014 05:15 PM ET // Nola Taylor Redd,
Scientists studying more than 140,000 extremely bright galaxies have calculated the expansion of the universe with unprecedented accuracy.
Mar 5, 2014 01:00 PM ET // Irene Klotz
Back when the universe was half its present age, supermassive black holes were feeding from a steady and plentiful diet of neighboring galaxies, the first measurement of a distant supermassive black hole’s spin shows.
Jan 29, 2014 12:11 PM ET // Nicole Gugliucci
For the first time, a thin filament of intergalactic gas from the "cosmic web" has been directly seen using one of the largest telescopes on Earth. Continue reading →
Nov 8, 2013 01:08 PM ET // Ian O'Neill
Something puzzling about a very rare class of distant quasars has been uncovered -- some appear to be sucking material inwards at relativistic speeds, whereas the vast majority of quasars do exactly the opposite. Continue reading →
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