Stars are exploding, neutron stars collide ... We can, however, gather indirect evidence of the cosmic background of gravitational waves. Last year, the North American Nanohertz Observatory ...

The prevailing scientific view is that neutron star collisions created gold and other heavy elements, but one study has now pointed to another tantalizing theory behind the metals’ formation.

A nearby exploding star is poised to illuminate the night sky, potentially outshining even the North Star, in what NASA describes as a "once-in-a-lifetime" spectacle expected to occur between now ...