Gravity Research update Black-hole–neutron-star merger may have been spotted by LIGO–Virgo Upgraded gravitational-wave detectors report five possible events in April alone Read article: Black-hole–neutron-star merger may have been spotted by LIGO–Virgo
Gravity Blog More black-hole mergers from LIGO–Virgo The APS April Meeting kicks off in Denver Read article: More black-hole mergers from LIGO–Virgo
Gravity Research update Einstein’s general theory of relativity passes a supermassive test Star orbiting huge black hole confirms local position invariance Read article: Einstein’s general theory of relativity passes a supermassive test
Gravity Research update Gravitational waves could resolve Hubble constant debate Observing the gravitational-wave signal from 50 future neutron star-mergers will give the most accurate measurement of Hubble’s constant to date, scientists claim Read article: Gravitational waves could resolve Hubble constant debate
Gravity Research update Gravitational waves could reveal the birth of a quark star Simulations uncover signatures in gravitational-wave spectra of a postulated phase transition in neutron star mergers Read article: Gravitational waves could reveal the birth of a quark star
Gravity Research update LIGO–Virgo announces observation of four more black-hole mergers Six gravitational-wave events were seen in less than one month of observation time Read article: LIGO–Virgo announces observation of four more black-hole mergers
Gravity Feature A wave of discovery James Hough tells the story of the last 30 years of gravitational-wave astronomy, which has had a revolutionary impact Read article: A wave of discovery
Gravity Research update Gravitational waves reveal radii of colliding neutron stars GW170817 merger involved objects with radii less than 12 km Read article: Gravitational waves reveal radii of colliding neutron stars
Gravity Blog Stephen Hawking’s ‘final paper’ on hairy black holes hits the headlines Work is posted online as the late cosmologist’s “final book” is about to be published Read article: Stephen Hawking’s ‘final paper’ on hairy black holes hits the headlines
Gravity Research update Gravitational-constant mystery deepens with new precision measurements Two experiments yield significantly different results Read article: Gravitational-constant mystery deepens with new precision measurements