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 ...

Informed by science from the Smithsonian Astrophysical Observatory and astronomers worldwide, this “documentary that you can walk through” visualizes the cosmos in a 3-D introduction to the universe ...

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 ...

For centuries, scientists have studied supernovae mostly after the damage was already done, looking at remnants long after the original explosion disappeared. But in April 2024, the ATLAS survey ...