stars

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 week 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,…

2 weeks 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…

3 weeks ago

The Last Supernovae

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

1 month ago

Gamma-Ray Telescopes Can Measure the Diameters of Other Stars

Four gamma ray telescopes have used a new method of interferometry to measure the size of two stars.

2 months ago

1 in 10 Red Giants are Covered in Spots, and They Rotate Surprisingly Quickly

Sunspots are common on our Sun. These darker patches are cooler than their surroundings, and they're caused by spikes in…

3 months ago

It Should Be Easiest to Search for Young Earth-like Planets When They’re Completely Covered in Magma

How did Earth evolve from an ocean of magma to the vibrant, life-supporting, blue jewel it is now? In its…

4 months ago

Huge Stars Can Destroy Nearby Planetary Disks

Westerlund 2 is a star cluster about 20,000 light years away. It's young—only about one or two million years old—and…

4 months ago

A New Kind of Supernova Explosion has been Discovered: Fast Blue Optical Transients

For the child inside all of us space-enthusiasts, there might be nothing better than discovering a new type of explosion.…

4 months ago

TESS is Also Helping Astronomers Study Bizarre Pulsating Stars

NASA's TESS, or Transiting Exoplanet Survey Satellite has one main job: finding exoplanets. But it's also helping astronomers study a…

4 months ago