Planning a cross-country road trip? Bookmark this list of the top U.S. attractions, state by state. The United States of attractions Did you know the United States is the third largest country in the ...

One day in the Middle Miocene, some 11 million to 16 million years ago, a roughly 4.8-metre-long caiman ate a terror bird 1.

The city of Frederick's official bird, the black-crowned night heron, has taken off with a new name: Midnight Heronson.