Black hole GW190521 may be a wormhole from another universe
For just one-tenth of a second in May 2019, the universe delivered a signal that did not fit…
The Seven-Hour Mass Explosion That Broke the Rules of the Universe
GRB 250702B emerged from the top edge of its host galaxy’s dark dust lane (see inset). Credit: NASA,…
Astrophysicists Detect Gravitational Waves from Most Massive Black Hole Merger to Date
Using twin detectors of NSF’s Laser Interferometer Gravitational-wave Observatory (LIGO), astrophysicists with the LIGO-Virgo-KAGRA (LVK) Collaboration have detected…