For centuries, humans have lived underground. Today, that ancient practice is under dire threat—even as cave life makes more ...

A mud volcano has roared to life in front of a temple in Taiwan, with mesmerizing videos capturing the moments mud shot out ...

These lines in the mud are now pushing scientists to rethink the origin story of the Americas. In 2021, a first analysis of these footprints found that they were between 21,000 and 23,000 years old.