Add Yahoo as a preferred source to see more of our stories on Google. This artist's concepts shows a hypothesized event known as a superkilonova. A massive star explodes in a supernova (left), which ...

The European Southern Observatory’s Very Large Telescope (VLT) recently captured an extraordinary image that features both ...

Neutron stars are formed when giant stars run out of fuel. Their internal pressure is no longer sufficient to fight gravity, and the resulting collapse and supernova explosion leaves a tiny core, with ...

"We studied the last several orbits before the merger, when the entwined magnetic fields undergo rapid and dramatic changes, ...

Artist’s impression of the powerful winds blowing from the bright X-ray source GX13+1. The X-rays are coming from a disc of hot matter, known as an accretion disc, that is gradually spiralling down to ...

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New simulations performed on a NASA supercomputer are providing scientists with the most comprehensive look yet into the ...