Astronomers have discovered the first radio signals from a unique category of dying stars, called Type Ibn supernovae, and these signals offer new insights into how massive stars meet their demise.

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 ...

A team of nuclear physicists has pulled off something that, until recently, existed only in theoretical models and the violent surfaces of collapsed stars: they recreated a thermonuclear reaction ...

The author writes, “On the exoplanet Janssen, heat from its host star and immense pressure have made the world something of a hellscape, with the potential for lava flowing across its surface. But ...