Marine biologists diving in the Gulf of Thailand were thrilled in 2023 to rediscover several colonies of a rare type of ocean sponge once thought to be extinct in the wild. But their excitement ...

Sharks and rays have populated the world's oceans for around 450 million years, but more than a third of the species living ...

Some say loneliness made a Japanese sunfish stop eating after its aquarium closed. One expert says it’s probably more ...

Sharks and rays have populated the world's oceans for around 450 million years, but more than a third of the species living today are severely threatened by overfishing and the loss of their habitat.

Competitive swimmers know that swimming underwater causes less drag resistance than swimming at the surface. Splashing around ...