Cosmic filaments help set first limits on dark matter's decay into gravitons

Dark matter makes up eighty-five percent of the universe's mass yet remains invisible to direct detection — scientists know it's there only through its gravitational pull. Per Phys.org, researchers at New York University, led by David Dunsky, are proposing a new method: searching for dark matter particles decaying into gravitons, the hypothetical particles believed to carry gravity itself. Their research, published in Physical Review D, offers a fresh avenue to probe one of physics' deepest mysteries.

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