Astronomers Got an Unusually Sharp Look at Betelgeuse. They Found a Lumpy Star With a Hotspot That Won’t Budge
This ALMA image shows the submillimeter surface of Betelgeuse, revealing its irregular shape and regions of hotter gas.…
ALMA Reveals Betelgeuse’s Fiery, Long-Lived Hot Spots
Astronomers using the Atacama Large Millimeter/submillimeter Array have captured stunning new images of the surface of Betelgeuse, the…
After Centuries of Research, Betelgeuse Turns Out to Be Two Stars, Not One
Artistic impression of Betelgeuse and its candidate companion, Betelgeuse B. The smaller blue-white star has been enlarged for…
Astronomers Directly Image Betelgeuse’s Long-Suspected Stellar Companion
After a century of speculation, astronomers using ESO’s Very Large Telescope (VLT) have captured the clearest evidence yet…
Is Betelgeuse about to explode into a supernova? Astronomers finally have an answer
Between late 2019 and early 2020, the red supergiant Betelgeuse showed signs of weakening that led many to…
Astronomers Detect Celestial ‘Wake’ from Betelgeuse’s Companion Star
New multi-year observations from the NASA/ESA Hubble Space Telescope and ground-based telescopes at the Fred Lawrence Whipple Observatory…