Mariners Trail, Point Beach State Forest, the Wisconsin Ice Age Trail and Woodland Dunes Nature Center make our list of great places to hike.

A team of scientists put together a global database of submarine mud volcanoes. Orders of magnitude more are still bubbling, ...

Normally, younger rocks are deposited above older ones, forming predictable geologic layers. In the North Sea, this process ...

Camp Mystic, the private summer camp that now symbolizes the deadly Central Texas floods, sat on a tract of land known to be ...

Researchers have made a groundbreaking discovery in Lake Michigan, confirming the presence of approximately 40 massive ...

Far beneath the ocean's surface, where mountain belts rise and ancient oceanic crust lies hidden, a long-lost tectonic plate ...

Video: Map of 40,000 asteroids in our solar system with 2,500 'potentially disastrous' for Earth These 2,500 asteroids are plotted to fall within 7.5million kilometres from Earth.

The USGS partners on this effort with the Michigan Geological Survey, the Wisconsin Geological and Natural History Survey, and many other state geological surveys.

Nearly two dozen state geological surveys depend heavily on federal funds. A proposed budget cut could slow or stop key geologic mapping work.