Hunting for dark matter, the invisible substance thought to account for 85 percent of all matter in the cosmos, isn't easy. If it interacts with light at all, it does so incredibly weakly. Still, we can see its handiwork everywhere, with its gravitational pull determining the formation of the largest cosmic structures like galaxies, to even individual stars. Now, a team of astronomers are proposing a new technique for searching for dark matter— and it runs counter to its reputation as a completely invisible haunting the universe.  In a recent study published in the journal Physical Review Letters, the astronomers […]