At about 950 times bigger than our Sun, Betelgeuse is one of the biggest stars in our Universe. But that comes with a price.

(CNN) — Astronomers have long searched for clues that a hidden companion star sits out of view near the red supergiant star Betelgeuse. Now, they’ve uncovered a new piece of evidence: a trail like the ...

The curious minds at What If imagine Betelgeuse exploding right now, exploring the light show, cosmic radiation, and ...