Observing Breadcrumbs: Physics Articles

Gravitational waves from a double black hole merger about 1.3 billion light-years away from us were directly detected on September 14, 2015...

On March 17, 2014, it was officially announced that signs of gravitational waves, or ripples in the fabric of space-time, had been discovere...

Published in 1916, the general theory of relativity is often regarded as Albert Einstein's greatest achievement and one of the most rem...