'We Still Can't See Dark Matter. But What If We Can Hear It?'

“We may have accidentally detected dark matter back in 2019,” writes ScienceAlert. “What if instead of trying to see dark matter, scientists attempted to hear it instead?” asks Space.com: New research suggests dark matter could leave a tiny but discernible imprint in the cacophony of ripples in spacetime called “gravitational waves” that ring through the cosmos when two black holes slam together and merge… Fortunately, when it comes to detecting gravitational waves from colliding black holes, humanity’s instruments, such as LIGO (Laser Interferometer Gravitational-Wave Observatory), are…