Dive into the depths of the ocean to discover seven rare deep-sea creatures so strange and elusive, you won't believe they ...

The ocean's depths hide wonders that feel like sci-fi, with creatures dwarfing their shallow-water cousins. These deep-sea behemoths seem like characters from old myths of sea giants. From ...

The ocean is deep, dark, cold and full of mysteries — and in its deepest regions, animals grow to astonishing sizes. From isopods the size of cats to squids that could square off with a school bus, ...

A rarely seen giant phantom jellyfish — a deep-sea creature with arms that can stretch up to 10 meters long — has been captured on camera off the coast of Argentina, offering scientists a rare glimpse ...

The ocean is full of surprises, and scientists are still finding creatures that seem almost unreal. From tiny reef animals to bizarre deep-sea species, these discoveries show just how much of the ...

These rare sea creatures live where the sun don't shine. By Laura Baisas Published Jan 6, 2026 4:15 PM EST Get the Popular Science daily newsletter💡 Breakthroughs ...

BUENOS AIRES, Argentina - A recent deep sea exploration off Argentina's coast revealed an incredible video of a giant jellyfish that can grow to be as large as a school bus. Video from the Schmidt ...

During a dive off Argentina, scientists documented a rare jellyfish discovered a little over a century ago and seldom seen since, as well as the fish that keep it company. By Alexa Robles-Gil In late ...

Architeuthis dux, better known as the giant squid, is likely the inspiration for the legendary kraken. The Granger Collection, New York There are few monsters left in the world. As our species has ...

The elusive deep-sea creature typically lives over 1,000 meters below sea level, but was seen around 250 meters below sea level Scientists filmed a rare giant phantom jellyfish off Argentina during a ...