Einstein's theory of general relativity suggests that the "memory" of ancient events, such as black hole mergers, may be etched into the fabric of space-time by gravitational waves. New research shows ...

and Johnson all began researching Black surfing groups online, collecting a constellation of nonprofits—Textured Waves, Black Surfers Collective, SoFly Surf School, and Ebony Beach Club ...

When the gravitational wave rolled by, it tickled the detectors, providing the unmistakable signature of colliding black holes on the other side of the universe and marking the beginning of a new ...