The hum of the universe: Scientists have detected the background buzz of spacetime

Scientists have detected a persistent background hum of gravitational waves. This cosmic hum is a new way to explore the ...
New Scientist

Gravitational waves produce a background hum across the whole universe

The fabric of the universe is constantly rippling, according to astronomers who have discovered a background buzz of gravitational waves. These waves may be produced by supermassive black holes ...