Australian Sky & Telescope

LIGO and Virgo find possible black hole–neutron star crash

ONLY TWO MONTHS INTO a new observing run, gravitational-wave observatories have announced 13 new candidate signals — one of which could turn out to be a black hole swallowing a neutron star.

Major improvements to both the Laser Interferometer Gravitational-wave Observatory (LIGO) in the US and

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