When photographer Jialing Cai plunged into the ocean in the dead of night, she found creatures of the deep had risen up to ...

A new study offers the first direct evidence that deep-dwelling mesopelagic fish, which account for up to 94% of global fish biomass, excrete carbonate minerals at rates comparable to shallow-water ...

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 ...

Since time immemorial, humankind has wondered about its lineage: where it came from and how it got here. Modern science has ...

For the second time this year, a rare deep-sea oarfish has washed ashore in San Diego County, giving scientists a chance to study the species without plumbing the depths of the ocean, it was announced ...

At the bottom of the world’s trenches, there’s a fish that shouldn’t exist. Here’s how it earned the title of the deepest-living fish on Earth. If you were to drop a camera into one of Earth’s ...

An oarfish — a super rare fish commonly referred to as the “doomsday fish” — recently washed ashore on a beach in Mexico, leaving beachgoers stunned. The fish typically surface when they are dead, ...

A University of Sydney study reveals that sponge-dwelling bacteria break down toxic ammonia and dead algae to sustain life in ...

When we think of marine life, we usually picture colorful coral reefs or dense seaweed forests filled with fish and other ...

Picture an ocean world so deep and dark it feels like another planet – where creatures glow and life survives under crushing pressure. This is the midwater zone, a hidden ecosystem that begins 650 ...