Learning more could be the key to solving the deepest mysteries of the universe. And astronomers may have just unlocked a ...

A galaxy appears to be missing the invisible substance thought to hold these objects together, further challenging long-held ...

Black holes crashing together may be revealing clues about dark matter hidden across the universe. Physicists created a new model predicting how dark matter could subtly distort gravitational waves ...

Dark matter may alter the dynamics of colliding black holes and leave a signature in their gravitational-wave emission.