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.

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

MAE SAI, Thailand -- With more rain coming, Thai rescuers are racing to pump out water from a flooded cave before they can extract 12 boys and their soccer coach with minimum risk, officials said ...

The main pump draining water from the Tham Luang cave complex stopped working shortly after the last member of the soccer team was saved. Some 100 rescue workers were still in the flooded cave when it ...

Launch your boat into the Ohio River or explore a 55-foot cave with fascinating pirate history in this state park in southeastern Illinois.

Explorers entered a freezing water tunnel expecting a small cave — but the camera revealed something extraordinary. Beyond the narrow, flooded passage lay a massive underground chamber lined with ...

Water rushed in and submerged the cave just hours after the boys were saved. Just hours after a boys soccer team was rescued from a partly flooded cave in northern Thailand, water rushed back into the ...

Conditions have improved, but that could all change if rain returns. Decreasing water levels and relatively dry weather over the past few days have created more favorable conditions for evacuating the ...

A new study reveals that the impact of the Meteor crater may have caused a landslide that flooded the Grand Canyon 56,000 ...

In the state with the highest number of caves, some draw visitors every October for dank, dark tours and other seasonally ...