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?” ...

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.

According to NASA, that can only happen to stars about eight times the mass of our sun. Instead ... our Milky Way galaxy since the 17th century. Betelgeuse will inevitably explode as a supernova ...

A shortcut for New Yorkers to spot some of the planets is to look for them when they are near the moon. On Feb. 1, Venus will ...

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 ...

January’s full moon arrives at 10:52 p.m. on Jan. 15. Algonquin Indians called this the wolf moon, for the hungry howling of the packs in the depth of winter. That night it will follow Jupiter across ...