It's so large that scientists are considering calling it a red hypergiant instead of a supergiant. Now, it's worth acknowledging that we are observing this massive star from veryfar away—so far ...

The star VY Canis Majoris is a red hypergiant, one of the largest known stars in the Milky Way. It is 30-40 times the mass of the Sun and 300 000 times more luminous. In its current state ...