Although the hypothesis needs visual confirmation, a second star wouldn’t be atypical for a red supergiant like Betelgeuse, ...

Caption This illustration plots changes in brightness of the red supergiant star Betelgeuse, following the titanic mass ejection of a large piece of its visible surface. The escaping material ...

At the upper left-hand corner of the Winter Triangle is the super red giant star Betelgeuse, the second-brightest star in Orion the Hunter. In English, Betelgeuse roughly translates to “armpit ...

Could the giant star Betelgeuse have a buddy? A Betelbuddy? Betelgeuse, the second-brightest star in the constellation Orion, ...

(Mike Lynch) At the upper left-hand corner of the Winter Triangle is the super red giant star Betelgeuse, the second-brightest star in Orion the Hunter. In English, Betelgeuse roughly translates ...

NASA's STEREO spacecraft -- with measurements shown in red -- stepped in to observe Betelgeuse from its unique vantage point, revealing unexpected dimming by the star. The 2018 data point from ...

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 ...