(lexaarts/Creatas Video+/Getty Images Plus) This Week in Science: A viral sensation is back in town, a sea monster's gigantic ...

It remains a sad fact of this world that we will never know for certain what the long-lost megalodon truly looked like – but a new study gives us what may be the most accurate reconstruction yet. An ...

The megalodon went extinct 3.6 million years ago, and is thought to be the largest shark that ever swam the Earth. But the megalodon may not have been as big as once thought, some researchers suggest.

A new study shows the Megalodon, a gigantic shark that went extinct 3.6 million years ago, was more slender than earlier studies suggested. This finding changes scientists' understanding of Megalodon ...

Scientists are taking “The Meg” down a peg. An international review of the megalodon, a giant shark that went extinct 3.6 million years ago, has suggested that it was much slimmer than researchers ...

A new study reveals the iconic extinct Megalodon, or "megatooth shark," was a rather slow cruiser that used its warm-bloodedness to facilitate digestion and absorption of nutrients. DePaul University ...

The megalodon went extinct 3.6 million years ago and is thought to be the largest shark that ever swam the Earth — until now. (Story first aired... The megalodon maybe wasn't so mega, research ...

The megalodon went extinct 3.6 million years ago. It's thought to be the largest shark that ever swam the Earth, but there is debate over what it looks like. A research team now suggests megalodon may ...