Geologists recently dated the age of Watersmeet gneiss, a type of rock in the Upper Peninsula, as the oldest in the U.S. Here ...

Smithsonian researchers trekked to a remote site in northern Canada to collect four-billion-year-old rock samples that could ...

Wyoming’s Devils Tower is a convenient road trip stop about 110 miles west of Rapid City, South Dakota. This area is a unique ...

Researchers have compiled a list of "ingredients" that could help resource exploration companies locate huge reservoirs of ...