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

Throughout Earth's history, ice caps have been very rare, but a model of the past 420 million years suggests an explanation ...

Fossil collectors in Florida have discovered an ancient sinkhole, now at the bottom of a river, which holds the remains of animals rarely seen in the state, including a type of giant armadillo, giant ...

The island of Amorgos, northeast of Santorini has a steep cliff on the southern side. The cliff descends into a subsea trough which is visible on google maps. The trough is 35 km wide and extends from ...