News Astronomy Rumors swirl that LIGO snagged gravitational waves from a neutron star collision As latest search ends, there’s speculation of a detected neutron star smashup CRASH AND FLASH Rumors suggest that LIGO may have detected gravitational waves from a new source: colliding neutron stars (illustrated). Such cataclysms are expected to generate a high-energy flash of light, called a gamma-ray burst (yellow jets). Several telescopes made observations seemingly in search of light from such events.