Scientists monitor how ripples in spacetime, most likely caused by the interaction of supermassive black holes, affect the timing of signals from pulsars. (Illustration by Aurore Simonnet for NANOGrav ...
Voyager 1—the most distant human-made object—has made yet another remarkable discovery having to do with interstellar space. It’s steady, persistent, and long-lasting: a low-frequency hum that’s ...
A mysterious, low-frequency noise has settled over the small town of Omagh in Northern Ireland, and is keeping people awake. It’s called “The Hum,” and reports of this phenomenon have been popping up ...
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