A one-meter core of calcite pulled from a cave of Devils Hole in Nevada has yielded a rare record of roughly 580,000 years of climate change ...

Death Valley National Park spins much wondrous magic amid its many rocks. Learn more about the landscape and options for ...

What began as a routine river-cave exploration turned strange when the water suddenly warmed and the visibility dropped to near zero. The footage captures the moment something pale drifted across the ...