Top news
Scientists detect first-of-its-kind 'intermediate-mass' black hole
By Megan Fellman
NASA-Funded Scientist Claims New Thruster Could Approach Light Speed
By Victor Tangermann
Physics - A Heavyweight Merger
By Rosalba Perna
All coverage
A “bang” in LIGO and Virgo detectors signals most massive gravitational-wave source yet
By Jennifer Chu
Largest black hole collision ever detected
By Rafi Letzter
These black holes collided so hard they made space-time jiggle
By Paola Rosa-Aquino
Meet GW190521—a black-hole merger for the record books
By Jennifer Ouellette
Gravitational waves: astronomers spot a black hole so massive they weren't sure it could exist
By Ilya Mandel
Astronomers say they've detected the most massive merger of two black holes ever discovered
By Loren Grush
Astronomers spot a super-rare class of black hole for the first time
By Andrew Tarantola
Astronomers spot the biggest, strangest black hole collision ever found
By Michael Greshko