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Apr 29, 2015 02:35 PM ET // Ian O'Neill
Astronomers have zoomed into an X-ray emission region immediately surrounding our galaxy's supermassive black hole and stumbled on a mysterious place where stars go to die.
Dec 22, 2014 03:12 PM ET // Ian O'Neill
NASA's Nuclear Spectroscopic Telescope Array has turned its gaze from distant black holes and focused on our sun, producing the most sensitive measurement of high-energy solar X-rays ever achieved.
Feb 20, 2014 12:19 PM ET // Irene Klotz
By tracing radioactive material in the remains of a nearby exploded star, scientists have a new understanding of what happened in the star’s final moments. Continue reading →
Dec 3, 2013 03:33 PM ET // Ian O'Neill
In a galaxy far, far away, two black holes have been spotted, trapped in a gravitational dance that can only end when they collide and merge as one. Continue reading →
Nov 26, 2013 02:10 PM ET // Ian O'Neill
There's small black holes and supermassive black holes, but where are all the medium-sized black holes?
Sep 12, 2013 07:50 AM ET // Elizabeth Howell,
A powerful NASA space telescope has found not one, but 10 monster black holes lurking in the hearts of distant galaxies.
Jun 11, 2013 12:56 PM ET // Ian O'Neill
News about black holes is usually accompanied by some fun description of them eating stuff. But the supermassive behemoth at the center of NGC 253 has become a little... sleepy. Continue reading →
Oct 24, 2012 05:17 PM ET // Amy Shira Teitel
Our typically mild-mannered black hole recently flared up, and NASA's new X-ray space telescope saw all the action.