Gravitational waves unmask universe just after Big Bang

For the first time, researchers have seen traces of superfast cosmic expansion and gravity waves.

Quick 'Bang' Signals the Most Massive Gravitational-Wave Source Ever Detected

Astronomers discover first direct proof of Big Bang expansion

Ripples in Spacetime Are Passing Through You Right Now. This Mission Will Reveal Their Secrets.

Accelerating expansion of the universe - Wikipedia

Ripples in space-time could explain the mystery of why the universe exists

BICEP2 finds first direct evidence of cosmic inflation – Physics World

Astronomers detect 'cosmic bass note' of gravitational waves, Astronomy

NASA: Scientists Discover Oldest Black Hole Yet

Gravitational Waves Might Reveal Primordial Black Hole Mergers Just After the Big Bang –

Scientists discover a new twist in light from the early universe

Gravitational waves could be key to answering why more matter was left over after Big Bang