Planetary nebulae are the most beautiful objects in the night sky. Their gossamer shells of gas are otherworldly and evocative.…
Like other spiral galaxies, the Milky Way has a bulging sphere of stars in its center. It's called "The Bulge,"…
Star's can be full of surprises; some of them nasty. While our own Sun appears pretty placid, science has shown…
Dark matter makes up the vast majority of matter in the universe, but we can't see it. At least, not…
The Search for Life can be a lot messier than it sounds. The three words make a nice, tidy title,…
Whatever we grow up with, we think of as normal. Our single solitary yellow star seems normal to us, with…
The last supernova in history will be the final burst of light in a cold, dark, and dead cosmos.
Four gamma ray telescopes have used a new method of interferometry to measure the size of two stars.
Sunspots are common on our Sun. These darker patches are cooler than their surroundings, and they're caused by spikes in…
How did Earth evolve from an ocean of magma to the vibrant, life-supporting, blue jewel it is now? In its…