Supergiant Star Makes Rare Leap to Hotter Phase, Astronomers Say
Long-term observations of WOH G64 — once considered the most extreme red supergiant star in its galaxy —…
Betelgeuse, one of the most familiar stars in the sky, may have a hidden companion star orbiting it
Astronomers have observed what they believe to be a never-before-seen companion star orbiting Betelgeuse, a pulsating red supergiant…