Researchers Astounded to Find a 9-Million-Year-Old Fish Fossil in Exceptional Condition; Is Ancestor to Great White Shark ...

Now, all that remains of the magnificent ... Mako sharks are the best living representation of its extinct cousin, albeit much smaller. “A mako shark would look puny next to a megalodon ...

Almost all fossil remains of megalodon are teeth. Sharks continually produce teeth throughout their ... We know that megalodon had become extinct by the end of the Pliocene (2.6 million years ago), ...

Scientists have discovered that the long-extinct megalodon, also known as the megatooth shark, had a body temperature 7 degrees Celsius warmer than the surrounding seawater. This information might ...

A shark only just formally discovered might already be extinct - a fate no shark has yet ... the Tucuxi to its endangered list, meaning that all of the world's freshwater dolphins are now ...