Nearly 2,000 meters above sea level, a lake in southwestern China is drawing a steady stream of divers. Its pull: challenging diving conditions and the tales of China’s own Atlantis hidden below.

For seasoned travellers who've seen and done it all, the final frontier involves dipping a toe into the world's best ...

After finding the debris of two colliding stars swimming in the ocean, researchers are after more evidence from the lunar ...

A Vanguard-class submarine used for Britain’s nuclear deterrent has resurfaced after a record-breaking 204 days at sea.