New pieces have been added to the puzzle of the evolution of some of the oldest fish that lived on Earth more than 400 ...

New research from the University of St Andrews has discovered that vertebrates make higher numbers of different forms of ...

A study published in the Nature journal alters how the evolution of fish has been historically understood. Fossilized fish and other sea creatures have often been pivotal in new scientific discoveries ...

Antarctic notothenioids represent a remarkable evolutionary radiation of fishes that have flourished in the extreme cold of the Southern Ocean. Their unique adaptations — including specialised ...

This octopus behavior might look funny at first glance, but it reveals how evolution solves complex problems in unexpected ways.

The discovery of a golden scaleless fish in China is helping scientists understand how animals evolved to live in caves. When you purchase through links on our site, we may earn an affiliate ...

Whole skeleton of Dipterus, an extinct lungfish from the middle Devonian period. Specimen (UMMP 16140) from the University of Michigan Museum of Paleontology. ANN ARBOR—If you're reading this sentence ...

When we say that someone is a “fish out of water,” we sometimes mean to suggest that they are uncomfortable or out of their ...

Digital reconstruction of tiny, 400-million-year-old jawless fish shows how traits for evading predators later gave rise to hunters A fossil the size of a fingernail is rewriting the opening chapter ...

Learn how increased protein diversity in signaling genes may have helped drive the shift from invertebrates to vertebrates, ...

Evolution has a habit of doing its weirdest work in places most of us never see—pitch-black caves, remote sinkholes, deep-sea trenches. And while most animals adapt in predictable ways, some species ...