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.

This Star Is About To Explode!

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 ...

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 ...