A fossilized brain from a 500-million-year-old sea creature shows unexpected spider-like features, hinting that spiders and their kin may have evolved in the ocean—not on land.

Half a billion years ago, a strange sea-dwelling creature called Mollisonia symmetrica may have paved the way for modern spiders. Using detailed fossil brain analysis, researchers uncovered neural ...

The ocean is full of mysteries, both living and lost. From bizarre marine creatures to forgotten cargo and century-old relics ...

“It’s a paradox. The deep sea is highly connected, but also incredibly fragile,” said Dr. O’Hara. “Understanding how life is distributed and moves through this vast environment is essential if we want ...

A world-first study led by Museums Victoria Research Institute has revealed that beneath the cold, dark, pressurized world of ...

When marine scientists gave Sydney Harbor seawalls a colorful glow up, they discovered it boosted marine biodiversity along ...

Some animals live in niche places. What is an extremophile? We'll go over these amazing living things defying the odds on ...

The planet is filled with animals that live far longer than most people realize. While well-known species like tortoises ...

A sea creature was spotted leaping from the water off the California coast, and boaters are calling the moment a “highlight.” ...