hand fin

Although nearly every animal evolved to adapt to a new environment, some animals remained virtually unchanged from the infancy of evolutionary history.

American biologists on April 17 said they have successfully deciphered the ancient finfish-origin DNA through living fossils of the fish.

Some animals appeared on Earth hundreds of millions of years ago, overcoming extinction events to survive today.

A 100 million-year-old fossil fish fossil was discovered in Texas. This is a new species of coelacanth.