Buried several miles beneath East Antarctica's ice, Lake Vostok is one of the largest freshwater lakes on Earth, rivaling ...

Scientists drilled the deepest hole in human history to uncover the mysteries beneath Earth’s surface. What they found ...

CNN’s Ben Wedeman dives deep underground in Rome to explore the Aqua Virgo, an ancient aqueduct that continues to supply water to the Trevi Fountain and other landmarks. Hollywood legend Kevin Costner ...