Scientists studying the star Betelgeuse have determined that it's actually roughly 25% closer than previous estimates. The star is also slightly smaller than scientists assumed, though it still ...

Astronomers have discovered a star 600 light-years away that stretches the definition of what can even be considered a star. That's because EBLM J0555-57Ab, the smallest star ever discovered, is the ...

The biggest star in the universe (that we know of), UY Scuti is a variable hypergiant with a radius around 1,700 times larger than the radius of the sun. To put that in perspective, the volume of ...

Astronomers are getting a better handle on the densest objects in the universe. These bizarre bodies, known as neutron stars, are the corpses of stars that were once far heftier than the sun. Neutron ...