Author: Jordan Mendoza, USA TODAY

Astronomers from the University of Arizona believe an asteroid that orbits the sun may have come from the moon, but they are unsure how.

Fossils suggest priapulan worms, or penis worms, were using old shells as a means of self-defense millions of years before the hermit crab existed.

Whales are actually eating a lot more than previously thought, meaning they are also pooping more. But that’s a good thing for the ocean.

NASA says crops like corn, soybeans and rice will see drops in their production by the end of the century, while wheat may thrive for a few decades.

The galaxy, SPT0311-58, had evidence of water when the universe was just 780 million years old, perplexing scientists.

The second-largest ice sheet in the world has lost 3.5 trillion tons of ice in the past decade, and more could be in store by the end of the century.

The great white shark is the most feared shark in the world. But new research suggests attacks on humans are mostly accidental.