Mysterious X-rays could possibly be kilonova “afterglow” from 2017 neutron star merger

Enlarge / Artist’s illustration of the merger of two neutron stars to type a black gap (hidden inside vibrant bulge at heart of picture). The merger generates opposing, high-energy jets… Read more

Spinning black holes could choose to lean in sync

Enlarge / A simulation of a black gap merger. (credit score: LIGO/Caltech/MIT/Sonoma State (Aurore Simonnet)) I used to be fairly excited when LIGO, the enormous double-eared gravitational wave observatory within… Read more