But what about the biggest star in the universe? You're going to need more than just a telescope to get a glimpse of this ...

One of the largest known stars, UY Scuti is a red supergiant with a radius 1,700 times that of the Sun, located 9,500 light-years away. Known as “Herschel’s Garnet Star” due to its red hue ...

Among the largest known stars previously known were the Pistol Star, between 80 and 150 solar masses, and Eta Carinae, around 100 solar masses. The Pistol Star radiates as much energy in 20 ...

Astronomers are closer than ever to working out how the biggest galaxies in the cosmos grew so quickly before dying.

Stars can be billions of times brighter than the planets scientists are trying to study, making them hard to see. To fix this, NASA is developing the known universe's biggest pair of sunglasses ...