(CNN) — A massive, fanged creature with a head shaped like a toilet seat lurked in swamps near the edge of the world 280 million years ago, long before the first dinosaurs appeared, new research has ...

Latimeria or Coelacanth (Latimeria chalumnae Smith), A living fossil, the oldest known living lineage of Sarcopterygii (lobe-finned fish and tetrapods).© Openfinal/Shutterstock.com Nature craves ...

A team of marine biologists, Earth scientists and evolutionary specialists affiliated with several institutions in the U.K., has found that prior researchers studying a fossil of an ancient sea ...

An unusual fossil brain suggests that the ancestors of spiders and other arachnids may have once scuttled around the sea, rather than on land as was long thought, a new study finds. "It is still ...

You can't always judge a book by its cover. That is a lesson scientists have recently learned about the nectocaridid - a 500-million-year-old marine creature that looked like a squid but turned out to ...