Arecibo Observatory spots a fast radio burst that keeps on bursting

From nowhere, they appear as a sudden surge of power in the radio spectrum. Then, a few milliseconds later, they’re gone—and as far as we could tell, they never come back. They’ve picked up the name “fast radio bursts,” but nobody’s entirely sure of what produces them. Follow-up observations have generally failed to find anything interesting in their direction, and the bursts didn’t seem to repeat, leaving everyone who cares about these sorts of things a bit mystified.

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Story added 3. March 2016, content source with full text you can find at link above.