A shark no larger than a human hand that stalked the ancient sea floor 340 million years ago has been dubbed the “chipmunk ...

A study explores how uranium isotopes in fossilized shark teeth could provide insights into historical ocean anoxia, with ...

Researchers urge stronger protections like fishing limits and habitat conservation to prevent further decline in shark ...

New research reignites debate over the size of this extinct giant, also suggesting it looked unlike a great white ...

With his magnificent underwater images, Gerardo del Villar wants to rehabilitate the reputation of the ocean’s great ...

Researchers found that the USAG-1 protein could limit the growth of teeth in mice, so ensuring that the protein didn’t form ...

Megalodon may have been up to 80 feet long, but the colossal extinct shark was also probably thinner than scientists ...

or “McGinnis’ nail tooth,” an ancient shark that stalked the ocean floor 340 million years ago. Rendering courtesy of the National Park Service A shark no larger than a human hand that ...

For context, adult human vertebrae are roughly 1 inch (2.5 centimeters) in diameter. Neither shark backbone specimens were found with the massive, serrated teeth associated with megalodon ...

Researchers in this study also revisited an analysis of fossilized placoid scales, or tiny tooth-like scales that cover sharks ... complex questions that help humans understand their place ...

California, ocean scientists say. Here's which California beaches saw most shark attacks and how Monterey fared.