High in the winter sky, marking the shoulder of the constellation Orion, sits a star nearing the end of its life in dramatic fashion. Its orange-red glow has fascinated skywatchers for centuries, but ...

A spectacular supernova, SN 2026aaiv, has erupted in the spiral galaxy NGC 7331, located 45 million light-years away in the Pegasus constellation and visible from both hemispheres.

Over the decades leading up to the explosion of the rare and luminous Type Ia supernova SN 2022erq, the mass-loss rate of its ...

Tiny particles called neutrinos could help determine whether a dying massive star explodes as a supernova or collapses into a ...

As a star nears the end of its life, it faces two very different fates: It can explode as a supernova, leaving behind a ...

Three decades of supernova observations are adding to hints that dark energy may be changing over cosmic time.

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 ...

Uneven supernova explosions may explain the unusual mix of elements in Milky Way stars once thought to be evidence of ...

The results add to evidence that dark energy, the unknown component believed to drive that expansion, may evolve rather than ...

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 ...

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 ...