A fisherman captured closeup video of a ray literally flying away from a hammerhead shark determined to eat it.

The species was named Sphyragnathus tyche, combining Greek words “sphyra,” meaning hammer and “gnathus,” meaning jaw for the ...

Buried for 209 million years, a tiny flying reptile and its ancient neighbors just emerged from Arizona’s Triassic past.

In 2015, two members of the Blue Beach Fossil Museum in Nova Scotia found a long, curved fossil jaw, bristling with teeth.

A chance discovery of a 350 million-year-old fossil reveals a new type of ray-finned fish by Conrad Daniel Mackenzie Wilson, The Conversation edited by Gaby Clark, reviewed by Andrew Zinin Editors ...

Researchers have discovered a new species of ancient fish with hooked front fangs that made them a fearsome and effective ...

Tuna, opah, and billfishes such as marlins and swordfish are among the 0.1% of fish species that are warm-blooded. Evidence ...

A newly discovered species of ancient predatory fish in Nova Scotia sheds light on how early ray-finned fish evolved new ways to feed.

A rare Triassic fossil site reveals North America's oldest known pterosaur, Eotephradactylus mcintireae, in what was once a ...

A trade-off between tooth size and jaw mobility has restricted fish evolution, Nick Peoples at the University of California Davis, US, and colleagues report in the open-access journal PLOS Biology .