A recently detected flash of energy appears to have emanated from the wreckage of colliding galaxies, according to an international team of astronomers led by Penn State scientists. The burst, known ...

We learned that the stellar collision it came from was likely caused by an even more catastrophic encounter—a merger between two galaxies. This is the first time astronomers associated this type of ...

This artist’s impression shows two tiny but very dense neutron stars at the point at which they merge and explode. ESO/L. Calçada/M. Kornmesser, CC BY Billions of light years away in a remote part of ...