Stars

Massive Stars Mix Hydrogen in Their Cores, Causing Them to Pulse Every few Hours or Days

Blue giant stars have a convective core that allows them to shine much longer.

1 month 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…

1 month ago

Newly Forming Stars Don’t Blast Away Material as Previously Believed. So Why Do They Stop Growing?

We thought we understood how stars are formed. It turns out, we don't. Not completely, anyway. A new study, recently…

3 months ago

VY Canis Majoris is “Like Betelgeuse on Steroids”

The disappearance of a star can take many forms.  It could go supernova.  It could turn into a black hole. …

3 months ago

A New Study Says That Betelgeuse Won’t Be Exploding Any Time Soon

I have stood under Orion The Hunter on clear evenings willing its star Betelgeuse to explode. “C'mon, blow up!” In…

3 months ago

This is a Simulation of the Interstellar Medium Flowing Like Smoke Throughout the Milky Way

How do stars form? We know they form from massive structures called molecular clouds, which themselves form from the Interstellar…

5 months ago

Astronomers Discover Hundreds of High-Velocity Stars, Many on Their Way Out of the Milky Way

Combining data from two of the largest databases in the world, an international team of astronomers was able to doubledthe…

5 months ago

Massive stars get kicked out of clusters

The largest stars in the universe tend to be loners, and new research points to the reason why. Although massive…

7 months ago

We’re Made of Starstuff. Especially From Extremely Massive Stars

A new study shows how massive young stars create the kind of organic molecules that are necessary for life. A…

8 months 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…

8 months ago