Add Yahoo as a preferred source to see more of our stories on Google. A woman discovered a rare shark tooth in Florida, offering a glimpse into prehistoric times. Nichole Mercuri, 26, was walking ...

Even sharks’ famous tooth-regrowing ability may not save them from ocean acidification. Researchers found that future acidic waters cause shark teeth to corrode, crack, and weaken, threatening their ...

Grand Strand beaches have always provided hunters with shark teeth finds, but when beach renourishment is in town, it can be a gold mine. Local shark tooth clubs say this weekend’s storm and beach ...

Sharks continually shed teeth throughout their lives, contributing to abundant fossil records. The Wilmington area is a hotspot for shark teeth due to favorable geological conditions. Shark teeth ...

A woman discovered a rare shark tooth in Florida, offering a glimpse into prehistoric times. Nichole Mercuri, 26, was walking along a Florida beach when she says she spotted a giant tooth that once ...