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…
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…
Supergiant Star Makes Rare Leap to Hotter Phase, Astronomers Say
Long-term observations of WOH G64 — once considered the most extreme red supergiant star in its galaxy —…
Webb Identifies Supernova Progenitor Star in NGC 1637
Using the NASA/ESA/CSA James Webb Space Telescope, astronomers have for the first time identified the progenitor of a…
VLT Reveals Secrets of Old Stellar Couple
A stunning new image from the SPHERE (Spectro-Polarimetric High-contrast Exoplanet Research) instrument on ESO’s Very Large Telescope (VLT)…
Supergiant Star Collapsed into Stellar-Mass Black Hole in Andromeda Galaxy
Using archival data from NASA’s NEOWISE mission along with data from other space and ground-based observatories, astronomers identified…