European Southern Observatory

European Southern Observatory

A handout image of the star Betelgeuse, a color composite made from exposures from the Digitized Sky Survey 2 (DSS2). The image was released on July 28, 2026. Photo:Reuters.

Astronomers observe companion star orbiting stellar giant Betelgeuse

The finding offers fresh insight into the life cycle of one of the night sky's brightest and most closely watched stars.

Cosmological models have long predicted its existence, but until now the cosmic web had never been directly observed.

Images of ‘cosmic web’ reveal maze of dwarf galaxies