Now astronomers want to know: what makes a star a star?
Countdown: 45 years left until 'First Contact'
What we know about the mysterious life cycle of a black hole.
The Gaia satellite charts stars like never before.
When the stars align, you can zoom way in.
We'll admit that space dust is slightly less cool than an alien civilization.
All that glitters is a neutron star collision.
Observatories all over the world caught a new kind of collision.
So hot right now.
But they get along just fine
Three of them may be habitable
Its dying gasps could reveal what makes stars go out with a bang
Naming new worlds is a confusing mess
The top 7 explanations for the star's weird behavior, ranked roughly in order of plausibility
This star is breaking all the rules
Now we wait for the rest of the cosmos to catch up
Twinkle, twinkle, little star, how I wonder where you went
An astronomer's scathing blog post explains why a flurry of comets is not a likely explanation for this star's weird behavior
Astronomers still have no clue what's causing this star's weird behavior
Otherworldly desktop backgrounds.
The mystery around KIC 8462852 probably isn't aliens, but might not be comets either
There's something weird happening around a faraway star.
A Gallery Of Photos Curated By The Person Who Made Most Of Them
Short answer: They create a beautiful swirling mess.