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Sep 19, 2015 03:39 PM ET // Ian O'Neill
After undergoing a 5-year upgrade, the world's most powerful gravitational wave detector is back online and hunting for the tiniest of tiny fluctuations in spacetime.
Aug 11, 2015 05:58 PM ET // Ian O'Neill
Astronomers have discovered the smallest supermassive black hole lurking in the center of a dwarf galaxy around 340 million light-years away. Small it may be, but it could help to unlock some pretty hefty black hole mysteries.
Jul 22, 2015 06:28 PM ET // Ian O'Neill
As spotted by NASA's Chandra X-ray Observatory, a binary star system 7,500 light-years away has undergone a violent stellar wrecking ball event.
Jul 10, 2015 12:50 PM ET // Charles Q. Choi,
A newfound giant black hole nearly as massive as 7 billion suns is dozens of times larger than astronomers expected given its host galaxy's size, researchers say.
Jul 2, 2015 05:25 PM ET // Ian O'Neill
The Event Horizon Telescope (EHT) has added more observatories to its global network of radio telescopes and the first image of our galaxy's black hole could be less than a year away.
Jun 19, 2015 01:48 PM ET // Ian O'Neill
The prospect of measuring the mass of the most massive known objects in the universe would send most people into a cold sweat, but for astronomers it's all in a day's work.
Jun 18, 2015 07:31 PM ET // Ian O'Neill
Next week, Discovery News will be participating in the Convergence conference -- a meeting of some of the greatest physics minds on the planet.
Jun 1, 2015 01:24 PM ET // Ian O'Neill
Astronomers have witnessed, for the first time, a relativistic collision in a black hole jet millions of light-years from Earth.
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