Findings about the chemical makeup of cave systems can teach us about life in places humans have yet to reach.

Inside Wind Cave the scientists found that chemicals fossilised within the rocks shine in brilliant hues of pink, blue, and ...

Fluorescent caves deep below America show how alien life could exist on one of Jupiter's moons, say scientists. The chemistry ...

Called “Indian Cave” on some old maps, the site also has another more ... Need a break? Play the USA TODAY Daily Crossword Puzzle. Setting out with a local cave expert as guide I set out ...

The largest cave in the northeastern United States is expected to become Pennsylvania’s 125th state park and first underground park. During Gov. Josh Shapiro's proposed budget address Tuesday ...