In two recent papers, Saint Louis University researchers report finding high concentrations of microplastics present in a Missouri cave system that had been closed to human visitors for 30 years.

Abandoned limestone town remnants, remote Upper Peninsula scenery, and a record-holding cave make this one of Michigan’s ...

The cenotes of Mexico are famous not only for their beauty, but for the archaeological finds they reveal.

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Thanks to new research from St. Louis University (SLU), we now now these microplastics have spread to areas long untouched by humans. Cliff Cave near Oakville has been closed off to public access ...

Hidden in the hills of central Portugal is the entrance to Alviela Cave, one of the deepest underwater caves in Europe. Reaching the dive site is an adventure on its own. The team spends hours ...

An underground stream winds through a vast Illinois cave few people know about. Wade through cool water and explore one of the state’s most surprising adventures.

A section of South Dakota’s Wind Cave seen under normal white light (left image) transforms into something otherworldly when placed under UV light (right image). SAN DIEGO, March 25, 2025 — Deep below ...