Peak outdoor season is nearing and Iowa not only offers 83 state parks and recreation areas, there are also more than 1,000 caves hidden throughout the state's natural habitats. Here are popular ...

Fluorescent cave minerals are helping scientists explore how life could survive in harsh places like Europa. Far beneath ...

Researchers use a portable fluorescence spectrometer to analyze the glowing formations in underground caves. Now, researchers ...

Earth not only does not support diverse ecosystems, but it also has places that serve as analogs for other celestial worlds ...

Tickets for guided tours of the marble cave will go on sale at 10 a.m. on March 31. The cave features stunning stalactites ...

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

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

Deep underground, some caves on Earth are hiding a glowing secret—one that could help scientists understand how life might ...