Astronomers using the James Webb Space Telescope have identified one of the most distant exploding stars ever confirmed. The ...

One of the brightest stars in the night sky is living on borrowed time, at least by cosmic reckoning. Betelgeuse, the ruddy ...

When a star reaches its final stages of life, it ends in a bright, powerful explosion called a supernova and scatters ...

The soil covering the moon may contain a remarkable record of ancient stars that exploded millions of years ago. Scientists ...

A collapsing star drives a shock wave out through its own body. The wave reaches the surface and breaks through, dumping ...

Earth is quietly collecting radioactive debris from an ancient stellar explosion as our Solar System drifts through a giant cloud of gas and dust between the stars. Scientists analyzing Antarctic ice ...

WASHINGTON, April 3 (Reuters) - A supernova - the explosive death of a star - is always violent, blasting material into space while typically leaving behind a compact stellar remnant like a neutron ...

Astronomers are puzzling over an oddball gamma ray burst that may have accompanied a supernova that is still in the process of brightening. NASA’s Swift satellite detected a burst of high-energy gamma ...

Artist’s conception of a magnetar surrounded by an accretion disk that is wobbling, or precessing, because of the effects of general relativity. Some models of magnetars suggest that high-speed jets ...

For decades, astronomers have used distant supernovae as cosmic lighthouses to test fundamental physics and to measure the universe. For Joseph Farah, a fifth-year graduate student at UC Santa Barbara ...