Astronomers have doubled the number of black hole and neutron star mergers detected via gravitational waves in a "stellar graveyard," as well as "hearing" the heaviest black hole binary yet.

Gravitational waves reveal 'stellar graveyard' packed with neutron star and black hole mergers

Source: space
Source Link: https://www.space.com/astronomy/gravitational-waves-reveal-stellar-graveyard-packed-with-neutron-star-and-black-hole-mergers