At first glance, Wyoming's Kane Cave exhibits few characteristics of the world's most picturesque caves — it lacks mineral deposits, including stalactites and stalagmites, which decorate most cave ...

Boulder, Colo., USA: A study published on Friday in the journal Geology uses isotopes of sulfur to fingerprint the sources of sulfuric acid that have carved unique and beautiful cave systems in the ...

San Francisco, Calif. -- Biofilms, which are complex layered communities of sulfur-consuming microbes, increase the rate of cave formation, but may also shed light on other biofilms, including those ...