The Mariana Trench is nearly 7 miles deep, deep enough to swallow Mount Everest with more than 1 mile of water still above it ...

No fish has been spotted further than 8000 metres below the ocean surface – now we know why that record may never be beaten IN 1960, when Jacques Piccard made his epic dive to the deepest part of the ...

These three fish are freaks, phantoms and mysteries of the deep. Here’s what we’ve learned from the rare glimpses we’ve had of their lives. The deep sea is one of Earth’s final frontiers. Given its ...

The deepest part of the ocean – the Challenger Deep – is in the hadal zone, a deep-sea region named after the Greek god of ...