New fossil discoveries are forcing scientists to redraw the boundaries of ancient oceans, suggesting that some of the most formidable marine predators did not always stay at sea. From gigantic ...

The nearly complete skull was found in 2001 in the Méndez Formation in Nuevo León, northeastern Mexico, dozens of kilometers ...

Megalodon usually gets all the attention when it comes to sea monsters, but ancient oceans were full of predators just as strange and scary. Fossils tell us that long before modern sharks ruled the ...

Add Yahoo as a preferred source to see more of our stories on Google. Could the source of a mysterious "bloop" sound be an unknown sea creature? In 1997, the U.S. National Oceanic and Atmospheric ...

With a disclaimer that there may be sea monsters out there that are unknown to us, those California cryptids that bring a certain element of cool to whatever river, lake, or cove they occupy, we do ...