Debris around the surviving star of the 1181 supernova forms chains of giant knots, and the star lies almost exactly at its ...

Speed calculation proves SN 2026acxa's infrared glow is a pre-death dust echo, not freshly formed ejecta. JWST CO ...

Astronomers caught a massive star exploding 500 million light-years away almost from the moment the event began. A brief X-ray flash detected on March 21, 2026 turned out to be the opening signal of ...

Artist’s impression of a hot core—a warm cocoon of molecular gas surrounding a newborn star—discovered in a supernova remnant. Blue represents high-energy regions produced by the supernova explosion, ...

Add Yahoo as a preferred source to see more of our stories on Google. A catalog of 2,884 Type Ia supernovae strengthens hints that dark energy may change as the universe evolves. (CREDIT: Shutterstock ...

Discover how nearly 3,000 supernovae are reshaping our understanding of dark energy and the universe's expansion. Insights ...

Stephen has degrees in science (Physics major) and arts (English Literature and the History and Philosophy of Science), as well as a Graduate Diploma in Science Communication. Stephen has degrees in ...

Stars experience very violent lives that usually end in dazzling explosions, and scientists have tried for years to determine what happens to massive stars just before this bombastic finale. Now, an ...

Hubble observations connect galactic winds and reionization, finding that stronger outflows in six compact galaxies accompany less escaping ionizing radiation.

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 ...

UC Berkeley supernova and black hole expert Alex Filippenko will share the 2026 Gruber Cosmology Prize, which was announced today (May 19) by the Gruber Foundation. The prize, one of the most ...