Lake Michigan is the westernmost Great Lake and the only one located fully in the U.S. The freshwater lake features more than 100 lighthouses. A national lakeshore offers sand dunes and 35 miles of ...

A river that drained the slopes of a now-vanished volcano may have carved Yosemite Valley's depths during the last 10 million ...

Despite the deep ocean floor coating some 66% of our planet's surface, we haven't explored 99.999% of it, study finds.

Researchers argue that expanding deep-sea exploration is vital to understanding and managing these marine habitats ...

Beneath the tranquil surface of Grand Traverse Bay lies a secret far older than any shipwreck. Long known for calm waters and ...