The Magellanic Stream is a cosmic battle scar from an ancient game of tug-of-war, and it’s headed right for us.
The pencil-size fossil was previously believed to be the first four-legged snake.
The Hubble Space Telescope has captured a stunning view of the nebula floating through deep space.
We have been "fooled before" by these convincing counterfeits on Mars.
It was the longest partial eclipse in 580 years.
It's a black-and-white issue.
The woman, who lives in Argentina, has been dubbed the Esperanza Patient.
The effect, called Pauli blocking, has been predicted for 30 years. Scientists just proved it for the first time.
The DART mission is scheduled to launch at 1:20 a.m. EST on Nov. 24.
Modern plate tectonics may have only got going in the past billion years.