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

The most studied subject of all at the Devil’s Sinkhole is the Mexican free-tailed bat, a cherished mammal by farmers in ...

The season's first tulips won't bloom here for another month, but this west Michigan town was able to celebrate its moment in ...

Rarely seen cave art holds prehistoric secrets in France Deep inside a labyrinthine cave in southwestern France, ancient humans who lived around 30,000 years ago carved horses, mammoths and rhinoceros ...