stars

Giant Stars and the Ultimate Fate of the Sun

Astronomers have a new tool to help them understand giant stars. It's a detailed study of the precise temperatures and…

22 hours ago

New Hubble Image Shows Dark Cocoons Where New Stars are Forming

Star formation is a complex process. But in simple terms, a star forms due to clumps and instabilities in a…

3 weeks ago

Older Stars Rotate Faster Than Expected

Older stars should slow down, but new observations reveal that they have just as much of a spring in their…

7 months ago

Why do Planetary Nebulae Look the Way They Do?

Planetary nebulae are the most beautiful objects in the night sky. Their gossamer shells of gas are otherworldly and evocative.…

11 months ago

The Spherical Structure at the Core of the Milky Way Formed in a Single Burst of Star Formation

Like other spiral galaxies, the Milky Way has a bulging sphere of stars in its center. It's called "The Bulge,"…

1 year ago

Just How Bad are Superflares to a Planet’s Habitability?

Star's can be full of surprises; some of them nasty. While our own Sun appears pretty placid, science has shown…

1 year ago

If dark matter is a particle, it should get inside red giant stars and change the way they behave

Dark matter makes up the vast majority of matter in the universe, but we can't see it. At least, not…

1 year ago

Searching for Phosphorus in Other Stars

The Search for Life can be a lot messier than it sounds. The three words make a nice, tidy title,…

1 year ago

The Strange, Misshapen Orbits of Planet-Forming Disks in a Triple-Star System

Whatever we grow up with, we think of as normal. Our single solitary yellow star seems normal to us, with…

1 year ago

The Last Supernovae

The last supernova in history will be the final burst of light in a cold, dark, and dead cosmos.

1 year ago