Researchers in Spain have discovered pieces of a fossilized face belonging to an ancient human ancestor. The fragments cannot ...

Beneath the Earth’s surface lies a world so extreme and isolated that it seems more like an alien planet than part of our own. Veryovkina Cave, the deepest known cave on Earth, plunges a staggering 7, ...

Pushing further into the cave, the team discovered something even more exciting—a “strong thermal inflow and a vast lake” sitting at the bottom of the massive chasm. “In order for Czech ...

But isolated, untouched areas like the ocean floor, saltwater marshes and the insides of caves hold promise. A thermometer tests the temperature of soil at the bottom of Booming Ice Chasm.