Limestone cliffs and cave systems hold clues to a prehistoric ocean.

The summit pyramid of Mount Everest, the highest point on Earth, is built from the remains of creatures that lived on an ancient seafloor roughly 470 million years ago. Limestone near the peak ...

Mammoth Cave, the world's longest known cave system, stretches 426 miles under Kentucky. The cave's limestone began forming 330 million years ago when the region was submerged under an ocean. Visitors ...

Excavated from a hayfield near Warrensburg, Fossil Pond and its limestone evoke an age 300 million years ago when a vast sea covered much of the Midwest, including Kansas City. Gary Rhoades From a ...

Divers wading through a flooded cave in central Texas have recovered a striking collection of Ice Age fossils, including ...

TOPEKA (KSNT) – Fossils are everywhere in Kansas but there are some places where your chances of finding a link to the past are greater than others. The Sunflower State is home to numerous types of ...

The 150-million-year-old Solnhofen Limestone in southern Germany contains prehistoric lagoon deposits known for yielding wonderfully preserved fossils, including those of pterosaurs: flying reptiles ...

In a forbidding Wyoming desert, scientists and fortune hunters search for the surprisingly intact remains of horses and other ...