The red hypergiant star VY Canis Majoris, 4,000 light-years distant, is in a turbulent phase near the end of its life. Wracked by pulsations, it is expelling mass in a series of dusty knots and arcs.

This artist’s impression of hypergiant star VY Canis Majoris shows the star’s vast convection cells and violent ejections. VY Canis Majoris is so large that if it replaced the Sun, the star would ...

New findings from NASA's Hubble Space Telescope have helped astronomers to solve the mystery of why Orion's bright red supergiant Betelgeuse dramatically faded for a period of weeks last year. In ...

NASA researchers have published a new study that sheds light on the reason why the red supergiant VY Canis Majoris has grown dim, citing a phenomenon similar to the one that caused Betelgeuse to grow ...

Our sun is huge compared to the Earth, capable of holding more than one million blue planets. The sun is small compared to some other stars in our galaxy, however. Stars like VY Canis Majoris, located ...

Scientists now possess the most detailed image yet of a dying giant: VY Canis Majoris, quite possibly the largest star in our galaxy. VY Canis Majoris is a red hypergiant, a class of star so massive ...