High in the Milky Way, a dying giant has thrown astronomers a cosmic curveball. A star known as DFK 52, sitting in the ...

Betelgeuse has a companion star! This revelation was surprising; there had been speculation about the existence of a ...

There are several candidates for the biggest star in the universe. One of them, VY Canis Majoris, is over 1,500 times the ...

Witness the spectacular celestial event if the red giant star Betelgeuse exploded in our night sky.

The star, called DFK 52, is a member of a cluster of similar red supergiants, but it's losing mass at an extreme rate never seen before.

Betelgeuse’s intense glow and vast size—about 700 times the Sun’s radius—have long made it difficult to study anything nearby. Using the NASA-NSF-funded ‘Alopeke instrument on the Gemini North ...

Astronomers from Chalmers University of Technology, Sweden, have discovered a huge expanding bubble of gas and dust ...

Astronomers have finally confirmed the existence of a long-suspected companion star orbiting Betelgeuse, the iconic red supergiant in Orion. Using the advanced 'Alopeke speckle imager on the Gemini ...