Chris Impey receives funding from the National Science Foundation. Though members of the team behind this new discovery aren’t yet certain, they strongly suspect that the background hum of ...

Scientists at the University of Colorado Boulder may have solved a pressing mystery about the universe’s gravitational wave background. That’s the name for the ripples in space and time that move ...

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 ...

Cosmic claims: researchers have used radio telescopes around the world to hunt for gravitational waves using the subtle variations in the timing of pulsars. (Courtesy: Aurore Simonnet for the NANOGrav ...