As a shark tooth and fossil hunting enthusiast, I often have people ask me why I find fossils so fascinating. To me, the ...

Increasing acidity in the world’s oceans is changing the structure of sharks’ teeth and making them weaker, according to a ...

A group of German scientists tested the effects of a more acidic ocean on sharks' teeth and found that future generations of ...

Despite multiple mass extinctions, the frilled shark has managed to thrive for 100 million years. Today, it remains one of evolution’s most haunting survivors.

STANFORD, Calif. (KGO) -- If you ever come face-to-face with the wrong kind of shark, there's something you probably want to avoid. Just a hint: they're long and really sharp. But now, researchers at ...

In the ocean, everything relies on tiny plankton.These provide nutrients for animals at the bottom of the food web which are eaten by larger species, and so on. At the top of the food chain, large ...

For over 400 million years, sharks have ruled the oceans, surviving mass extinctions and shifting climates. But right now, they’re facing something they may not survive – human pressure. Overfishing, ...

If current extinction trends continue, global shark populations will lose much of their variety, thereby threatening ecosystems where specialized species serve vital roles, researchers have found. In ...

MOUNT PLEASANT — Like 49ers rushing west to find gold, Lowcountry residents have crowded the Crab Bank Seabird Sanctuary in search of shark teeth. Dozens of sharp-eyed scavengers spent the past few ...

Researchers baited sharks and coaxed them to bite on a board padded in foam and covered by bite-resistant wetsuit material. Photograph: Flinders University. Most of the time, the ocean is a place of ...