The now-extinct megalodon shark may have been larger than first believed, reaching lengths of 80 feet (24.3 meters), according to a new study published in Palaeontologia Electronica last week.

The replicas seen at many museums are all based on size estimates from teeth or other partial fossils. Photograph by Alexander Demianchuk, Reuters/Redux Like great white sharks, the megalodon had ...

That's about the size of an adult great white shark. "It is entirely possible that megalodon pups were already taking down marine mammals shortly after being born," Sternes added.

"We also demonstrate that the modern great white shark with a stocky body hypothetically blown up to the size of megalodon would not allow it to be an efficient swimmer due to the hydrodynamic ...

Then the app would suggest the preferred shoe size for the child. Co-founder Shapiro has a background as a podiatrist. She told the Sharks that many of her patients' issues are caused by wearing ...

Marine Mammal Stranding Center A baby seal was rescued after being attacked by a shark off the coast of New Jersey, officials said. On Feb. 10, rescuers got reports of a “very thin” male gray ...

Not only did the post-questionnaire MRIs show a link between childhood trauma, adult breakup and hippocampus size, it revealed a “dose-response effect." In other words, study participants who rated ...

Great white sharks are massive, but the size of the largest one ever recorded is truly mind-blowing. Discover the incredible story of this ocean giant and what makes it one of the most awe-inspiri ...

13-foot great white shark pinged off a Florida beach four times in one day. The enormous adult shark, nicknamed "Breton," surfaced off Daytona Beach four times on Thursday, according to data from ...

A sign outside a bathroom at a rest stop near Pacific Junction, Iowa, designating the presence of an adult-size changing table. Photo by Jenny Pohl. She said the need can be particularly acute ...

The second icon signals that this rest area along Interstate 80 in western Iowa has a bathroom equipped with a full-size changing table, making it an oasis for adults and older children who use ...

While whale sharks can grow to be over 18 meters in length, this one spotted in Eilat was apparently just around six meters. That's the size of six other sharks, assuming those sharks are catsharks.