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.

Betelgeuse goes through periods of brightening and dimming, usually in a 400-day cycle. But in 2019, the star experienced a ...

That dust is what blocked some of Betelgeuse's luminosity, causing the GDE. Previous research revealed this three-step process behind the GDE. The authors of the new research article set out to ...

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?” ...

Red supergiant stars such as Betelgeuse and Antares are the astrobiological ... The problem describes the apparent lack of high-luminosity progenitors detected in supernova pre-images, write ...

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 ...