Articles about Gravitational Waves

Space
Three Supermassive Black Holes Merging

Three Supermassive Black Holes Merging

Astronomers have identified a rare triple supermassive black hole system in the nearby galaxy NGC 6240, revealing three nuclei packed inside a kiloparsec and offering a new route …
Space
Cosmic Knots: A New Origin Story

Cosmic Knots: A New Origin Story

A new Physical Review Letters paper proposes stable 'cosmic knots' formed after the Big Bang could have produced heavy neutrinos that tipped the balance toward matter; the idea ma…