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.

Why it's incredible: This massive submerged cave system is among the longest in the world and holds a number of spectacular features and remains. Sistema Ox Bel Ha, meaning "three paths of water" in ...

Thanks to new research from St. Louis University (SLU), we now now these microplastics have spread to areas long untouched by humans. Cliff Cave near Oakville has been closed off to public access ...

Add Yahoo as a preferred source to see more of our stories on Google. Water levels are so low at Canyon Lake in Texas that an underwater cave and remnants of communities that stood more than a century ...

CAVE CREEK, AZ (AZFamily) — The town of Cave Creek is facing a significant water crisis. Nearly all of the community’s water comes from the Central Arizona Project (CAP), which delivers Colorado River ...