Researchers discovered the body of water—now the largest known underground thermal lake in the world—while investigating a ...

A new study highlights how life possibly evolved prior to and during the rise of Earth’s oxygenated atmosphere.

Researchers discovered the largest underground thermal lake in the world at the bottom of an “abyss.” The lake holds more than three Olympic swimming pool’s worth of water. Future explorations hope to ...

Pagosa Springs, Colorado, is home to the Guinness World Record's certified world's deepest geothermal hot spring aquifer at ...