Neanderthals repeatedly returned to the cave to store horned animal skulls, revealing this cultural tradition was transmitted over time.

This illustrated geologic timescale of Earth focuses on the landscapes, flora and fauna of the West, drilling into the region’s deep history.

The bulge first appeared in 1996 and has now returned, but Yellowstone Volcano Observatory says there's no cause for alarm.

Plumas-Eureka State Park offers a hidden gem in the Sierra Nevada with Gold Rush history, stunning hikes, alpine lakes, and year-round outdoor adventures.

The Rocky Mountains have always looked like a geological non sequitur, a towering spine of peaks sitting far from the grinding edge of any modern tectonic plate boundary. For decades, geologists tried ...

Nevada was once home to Prometheus, an ancient bristlecone pine that was also the oldest living organism on the planet. Then ...

All dollar amounts are in USD unless otherwise indicated and abbreviation “M” means million. Strategic acquisition of an ...

Hidden beneath an ancient volcanic basin on the Oregon and Nevada border, geologists say the United States may be sitting on ...