Modern walking fish share the same simple gait, offering new clues about how ancient vertebrates first moved from water onto ...

Earth’s earliest animals may have held evolution back because they reproduced asexually, creating low-competition communities ...

The next time you go wild swimming, whether in a lake, river or sea, you are probably sharing the water with one of your tiniest, yet closest relatives. Subscribe to our newsletter for the latest ...

A study has found that the reason why the evolution of the first animals to appear on Earth was delayed for over 10 million ...

Tracks left by some of the earliest complex animals are giving new insights into how they experienced the world. New research ...

Scientists have peered inside the skull of a 380-million-year-old Antarctic fish that was closely related to the first animals to walk on land, revealing surprising clues about how life began its move ...

When the environment changes dramatically, animals from mollusks to crows can make big changes in their behavior that enable them to survive. For example, marmots and ground squirrels in California ...