However, many more creatures lived on past that age, and some never bothered ... hasn't evolved, maintaining its distinctive features for over 360 million years. These jawless fish swim through ...

than they are to today's modern ray-finned fish. Related: How fast does evolution happen? But now, new "bridge" fossils reveal that coelacanths never stopped changing. The fossils, beautifully ...

The move to land was a very gradual process, and the evolution of limbs wasn't a simple adaptation resulting from animals crawling onto the shore and never looking back. In fact, the new picture ...