T. rex and Megalodon dominated their ecosystems, but which was one was more fierce? Paleontologists explore how size, speed, ...

During recent construction work at a Los Angeles high school, millions of fossils were unearthed, many of which were marine ...

"The Secret History of Sharks" author John Long met with Live Science to discuss his new book, recent revelations about ...

The middle part of the Miocene period (23–5.3 million years ago ... the largest land predator of all time. Megalodon appeared around 23 million years ago and disappeared around 3.6 million ...

“For the larger megalodon teeth, a lot of divers focus on … Venice Beach off the Florida coast, because there were just more large megalodons living there for a longer period of time,” Mazza say ...

Experts estimate a grown megalodon was 20-50 times larger than a standard 15-20 ... depicts a giant sloth that was painted 11,880 to 12,600 years ago around the same time they began to become extinct.

The creature in question is known as Globidens alabamaensis, a type of mosasaur that once dominated the shallow seas during the Late Cretaceous period (100.5 to 66 million ... rapidly evolving ...

While many believe that Megalodon was the biggest prehistoric marine creature of all time, with the super-sized ... ago at the end of the Cretaceous Period, the T-Rex battles a Giganotosaurus ...

A lot of reconstructions have megalodon looking like a bigger version of the great white shark because for a long time people thought they were related,' explains Emma. 'We now know that this is not ...