New dating of pigments reveals that cave paintings in the Lower Pecos region of Texas could be nearly 6,000 years old.

Scientists discovered fossilized reptile skin in an Oklahoma cave, revealing the oldest known example dating back nearly 300 million years.

Reports that archaeologists have uncovered the remains of people nearly ten feet tall in a Nevada cave have pushed a long‑running fringe legend into the center of viral attention. The claims lean on a ...