The well-known star Betelgeuse has a mysterious houseguest—and it's shaking the rafters, rattling the pipes and slamming the cupboards (metaphorically speaking). It's causing enough subtle atmospheric disturbance that it might as well be making ghost noises. Who's to blame?
Source: [Phys.org](https://phys.org/news/2026-10-radio-images-reveal-disturbances-betelgeuse.html)