There's no conclusive evidence, but a river reputed by some to be the oldest in the world dates back 340 million years.

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

The rising Indigenous All Stars forward swam 1.6 kilometres back and forth through sharky seas after his father suffered a ...

There seems to be too much of a radioactive element in rocks deep in the Pacific Ocean – how did it get there 10 million ...