The two objects make for a strange pair. Unlike Betelgeuse, which is approaching the end of its life, the blue-white companion (or Betelbuddy) has yet to start burning hydrogen in its core. In other ...

For millennia, since the time of ancient Egypt, people around the world have marvelled at Betelgeuse, one of the brightest ...

Will the universe keep expanding forever, or slow down and collapse? A University of Hawaiʻi at Mānoa researcher contributed ...

Now astronomers have discovered that this red supergiant, known to many as the hunter’s shoulder in the Orion constellation, ...

It took about 50 exploding stars to upend cosmology. Researchers mapped and measured light from Type Ia supernovae, the ...

The fact that Betelgeuse is one of the brightest stars in the sky over Earth, visible with the naked eye, has made it one of ...

For the first time, astronomers have spotted a star that exploded not once, but twice. A new image of a roughly 300-year-old supernova provides visual evidence that some dying stars undergo a double ...

One of the three main surveys that will be run by the Nancy Grace Roman space telescope will likely catch 100,000 cosmic ...

This simulation showcases the dynamic universe as NASA’s Nancy Grace Roman Space Telescope could see it over the course of its five-year primary mission. The gif sparkles with synthetic supernovae ...

Some stars have a much different end of life than previously thought. Astronomers have observed for the first time traces of a star that exploded twice. This discovery challenges current ...