The Laser Interferometer Gravitational-Wave Observatory (LIGO)-Virgo collaboration may have detected evidence of another universe, according to a new pre-print paper looking at unusual gravitational wave event GW190521. The rest of this article is behind a paywall. Please sign in or subscribe to access the full content.

Gravitational wave detectors are awesome even without the potential for spotting wormholes. When LIGO was built, it was aimed at detecting gravitational waves (GWs) – ripples in spacetime, hypothesized over a century ago.

"Einstein first predicted gravitational waves in 1916 as a consequence of the general theory of relativity," Barry C. Barish of the California Institute of Technology explains in a paper . "In this theory, concentrations of mass (or energy) warp space-

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