TradeStation Securities, Inc. ("TradeStation"), the brokerage firm built for active equity and derivatives traders, today announced that Quasar Markets, Inc.*, a research and execution workflow ...

Astronomers, using the Atacama Large Millimeter/submillimeter Array (ALMA), have confirmed the existence of a close quasar ...

Less than a billion years after the Big Bang, two supermassive black holes were already gorging on gas inside the same ...

The celestial objects were unknown until a little more than 60 years ago, but even the name is now part of our lexicon.

Using the Atacama Large Millimeter/submillimeter Array (ALMA), astronomers have discovered a close pair of quasars, which is a result of a distant massive galaxy merger. The detection of the quasar ...

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 ...

A supermassive black hole, ULAS J1120+0641, outgrows its galaxy and disrupts the cosmic balance, revealing a mystery of the ...

Your nighttime cup of chamomile might help you go to sleep, but this turbulent teacup is far from soothing. Sitting inside a galaxy known as the “Teacup,” nicknamed after its distinct silhouette, lies ...