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 cooled to ...

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.

New year, new milestone: A cosmic quirk of nature has allowed the James Webb Space Telescope (JWST) to capture images of 44 individual ... soon-to-explode — Betelgeuse perched on the right ...