To give a sense of scale, if Betelgeuse were placed at the center of our solar system, its surface would extend beyond the ...

The story describes Betelgeuse as “the red giant that marks Orion’s left shoulder.” Reader Chris Jespersen wrote: “I often see Betelgeuse on Orion’s right shoulder…. Am I mistaken?” ...

The problem is that Betelgeuse is not quiet. It's at the red supergiant stage of its lifespan; it's running out of nuclear ...

This figure shows measurements of Betelgeuse's brightness from different observatories from late 2018 to present. The blue and green points represent data from ground-based observatories.

Jamie Carter is an award-winning reporter who covers the night sky. Monday will see a very rare night sky event when Betelgeuse—one of the most famous and brightest stars of all—is covered by ...