The Midcontinent Rift is a giant tear that formed in what is now the U.S. Midwest 1.1 billion years ago. Nicknamed North America's "broken heart," it is filled with solidified magma and lava.

There are several numbers that could be used to describe Madison Taylor’s performance on Thursday morning. But only one of ...

Fossilized claw tracks discovered in Australia show that the animal group that includes reptiles, mammals and birds formed ...