The elusive origins of long gamma-ray bursts may finally be revealed 

 New research helps resolve the mystery surrounding strange long gamma-ray bursts, suggesting these blasts of high-energy radiation emerge from collisions of neutron stars that birth black holes. 

https://cdn.mos.cms.futurecdn.net/QSY4UPqjWVUWwRb9TqvPZU.jpg

https://www.space.com/black-holes-cosmic-collisions-neutron-star-mergers-long-gamma-rays