LOVELL — Falling 100 feet down into a dark cave is (almost) never a good thing. It is easy to imagine: a mountain lion sprinting after an antelope at 45 mph, both animals cresting a low rise. The ...

Ioana Stefanescu, a UW Ph.D. candidate in geology and geophysics, descends into the Natural Trap Cave earlier this summer. Stefanescu collected sediment in the cave to study past climate conditions.

NATURAL TRAP CAVE, Wyo. -- It's time to praise pack rats. The small rodents with big eyes are helping scientists decipher climate change deep inside a chilly Wyoming cave. "Pack rats compulsively ...

At a site known as Natural Trap Cave, a team of scientists are rappelling down to uncover the secrets of what the Earth was like during the Pleistocene A shaft of golden light from the cave’s mouth ...

Team finds ‘quality’ remains of animals from last ice age CHEYENNE, Wyo. – Paleontologists digging at the bottom of a strange cave in northern Wyoming say they have uncovered a trove of animal bones ...

Natural Trap Cave is a pit in northern Wyoming into which countless animals have fallen and met their untimely demise since the Pleistocene. Paleontologists today find the cave a treasure trove — a ...

Scientists excavating an ancient Wyoming sinkhole containing a rare trove of fossils of Ice Age mammals have unearthed hundreds of bones of such prehistoric animals as American cheetahs, a ...

CHEYENNE, Wyo. (AP) -- For the first time in more than 30 years, paleontologists are about to revisit one of North America's most remarkable troves of late Pleistocene fossils: The bones of tens of ...

Julie Meachen, an expert in Ice Age megafauna, skirts a dirt ledge called “the Saddle” deep inside a remarkable hollow in northern Wyoming known as Natural Trap Cave. She stops to observe Megan ...