"I’ve been down 3,000 feet alone in the ocean, which has got to be one of the loneliest places on the planet," Widder says.

The deep ocean is about as mysterious as the depths of outer space, and it's home to some bizarre finds, from tiny angelic creatures to giant worms.

I've been to the Mariana Trench. The choice is clear: Protect one of earth's last frontiers or destroy it before we even understand what we're losing.

The Pacific Ocean is home to some of the deepest points on the planet. In fact, four of the top six deepest spots in the world can be found in the Pacific. The Pacific's basin is uniquely low, which ...

When we dream of landscapes, we might imagine rolling valleys or rugged mountains. But there is a whole landscape hidden from ...

The Atacama Trench, located off the coast of Peru and Chile, is one of the deepest oceanic regions on our planet, and scientists think it could be an ecological haven. A new study describes a four ...

Did you know that the deep ocean can produce oxygen without the need of solar light nor photosynthesis? According to a study ...

A massive 37-million-year-old underwater canyon reveals the fossil trace of an ancient Atlantic tectonic boundary.

Sinking clumps of dead ocean life have been shown to leak up to half their carbon and more than half their nitrogen when ...

Animals living in the deepest ocean trenches have been found with plastic fragments in their gut, according to new research published Wednesday showing how manmade pollution reaches into the bowels of ...