This fish species survived 100,000 years without males. Scientists thought it should be long dead – but it's thriving

All-female species have been long thought of as evolutionary dead ends – but one fish has defied the odds to live without ...

Robot fish could unravel how our ancient ancestors first learned to walk

Researchers have developed a fish-like robot that shows how some species of modern fish are able to walk on land, and could help unravel how early vertebrates evolved similar abilities hundreds of ...