In other words, Betelgeuse is actually two stars. This hypothesized, unknown star—excellently nicknamed Betelbuddy—is likely ...

However, while the occultation of a star by an asteroid is typically a millisecond event, Betelgeuse is enormous—about 750 times the sun’s diameter. So, over about 12 seconds, the asteroid ...

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?” ...

Al Jabbar is one of the Arabic names for Orion, the “Hunter", one of winter's most conspicuous constellations.

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.

Using the same data they have also made the first map of the velocities of material the atmosphere of a star other than the Sun. Red supergiant stars such as Betelgeuse and Antares are the ...

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 ...

The knot of bright winter constellations reaches its highest point in the south during the mid-evening hours of February. Most recognizable is Orion, with his glowing sword hanging below the three ...

Serving as his right shoulder is the supergiant star Betelgeuse, which shines brightly ... the third-brightest object in the sky after the sun and the full moon. A little higher and closer to ...