The 1.5 million acre Lake Mead National Recreation Area covers “mountains, canyons, valleys and two vast lakes,” the National ...

This oddly shaped fossil came from a 6-million-year-old rock formation in Lake Mead National Recreation Area along the Arizona-Nevada ... it’s “fossilized sea shell,” which makes sense.

Imagine an ear falling off a first century Roman statue and you’ll get an idea of what someone found at the Lake Mead National Recreational Area in Arizona. Photos of the fossil — yes ...

New research at NAU looks at faster warming in the Arctic, and highlights concern about risks to the U.S. of a political ...