Astronomers using the James Webb Space Telescope may have discovered a supernova erupting just 1.1 billion years after the Big Bang.

A massive analysis of 2,884 exploding stars has uncovered new evidence that dark energy, the mysterious force accelerating ...

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

When a star reaches its final stages of life, it ends in a bright and powerful explosion called a supernova and scatters material across the universe. A new study led by a University of Hawaiʻi at ...

Betelgeuse is an enormous red supergiant approaching the final stages of its stellar evolution. Astronomers are studying its changing behavior to understand when it might explode as a supernova and ...

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

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 ...

This artist’s animation shows a star going supernova. About 22 million light-years away the supernova, SN 2024ggi, exploded in the galaxy NGC 3621. Using the ESO’s Very Large Telescope, astronomers ...

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 ...

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 ...