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 ...
Deep below Earth’s surface, rock and mineral formations lay hidden with a secret brilliance. Under a black light, the ...
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 ...