There's no need to rely on your smartphone or smartwatch for navigation. We rounded up the best handheld GPS devices for ...

Instruments in space have studied the planet's atmosphere and surface, and are now being joined by powerful new ones, finds ...

Gravity research reveals hidden structures beneath Mars' lost oceans and Olympus Mons, shedding light on the planet’s ...

Yellowstone became the world's first National Park. The park's vast 2.2 million acres preserve an intact ecosystem with ...

Experience the uncrowded geological wonder of Georgia's 'Little Grand Canyon,' decked with fall colors. Learn about trails, ...

The map, a product of advanced data analysis and high-resolution elevation data, shows that roughly 44% of U.S. territory ...

September is National Preparedness Month, Oct. 17 is ShakeOut, and Nov. 5 is World Tsunami Day — plenty of reminders to ...

The next morning, Sept. 16, Hawaiian Volcano Observatory scientists on a helicopter overflight confirmed that a small ...

Counties with some percentage of moderate drought conditions include Fayette, Winneshiek, Allamakee, Clayton, Dubuque, ...

Innovative electro-seismic surveying techniques will be used to map out what lies below the surface of the Hikuwai River, ...

The region was considered to be Earth's eighth continent before the majority of it got lost under the sea. Over 300 years ...

The U.S. Geological Survey and state agencies are using aircraft, radar and land surveys to hunt for hidden mineral deposits ...