An investigation using the star-surveying Gaia space telescope revealed that the Barbá 2 is packed with red supergiant stars, stars that can be hundreds of times wider than the sun and up to ...

Although the hypothesis needs visual confirmation, a second star wouldn’t be atypical for a red supergiant like Betelgeuse, ...

When Betelgeuse, a red supergiant star in the constellation Orion, eventually goes supernova—likely within the next 100,000 years—the night sky will light up as if a second sun appeared ...