A fleet of telescopes around the world just captured the first shocking moments of a supernova explosion in the most detailed-ever observations of their kind. The explosive event was first spotted by ...

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

One of the largest known stars in the cosmos is poised for catastrophe. After witnessing the massive object undergo a dramatic transformation, a team of astronomers say the star is on the verge of ...

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 ...

Scientists may have found an explanation for why some massive stars disappear without producing the expected supernova ...

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

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 ...

Earth is quietly collecting radioactive debris from an ancient stellar explosion as our Solar System drifts through a giant cloud of gas and dust between the stars. Scientists analyzing Antarctic ice ...

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 ...