Bang! A pair of colliding neutron stars opens up a new era in astrophysics Posted on October 17, 2017August 3, 2023 by Dan Falk For the first time, astronomers have detected gravitational waves from a pair of merging neutron stars — and they've also seen in optically and via radio waves, gamma rays, and more. As I report for Mental Floss, it's a breakthrough on many fronts.