A species of mayfly previously thought to be extinct because of how rare it is has now reappeared in Thailand.

An estimated 26 per cent of Africa’s freshwater fish species are threatened (including those assessed as Critically ...

You have probably seen this fish on sushi menus in the United States and maybe even sampled it yourself, but it is actually ...

Predatory fish that evolved into the first terrestrial animals on Earth are still revealing insights into the origins of ...

An ichthyosaur preserved beneath a Chilean glacier is helping scientists understand the extinct animals and the world around ...