The new fossil was unearthed in a remote part of Argentinian Patagonia—and had teeth comparable to a T. rex, says National Geographic Explorer Diego Pol. The fossil skull of Kostensuchus atrox, a ...

Tiny, dark spots on teeth could mean you have a cavity. Dental X-rays can find cavities early, especially ones you can't see. Untreated cavities may lead to an infection called a tooth abscess. Tooth ...

Crocodiles loomed large in the world of the ancient Egyptians. The Nile teemed with the lurking reptiles, and farmers, who made up most of the population, encountered them on a daily basis. While ...

Throbbing tooth pain can be a sign of a cavity or an abscess. It's important to see a dentist promptly if you have tooth pain with fever or pus. Treatments for throbbing tooth pain include fillings, ...

A postmortem examination has revealed that Cassius, an 18-foot-long (5.5 meters) captive crocodile that died last year in Australia at the age of about 120, succumbed to sepsis. Sealed, "dormant" ...

Here’s what you’ll learn when you read this story: “Wadisuchus provides critical insights into the early diversification, palaeobiogeography, and cranial evolution of Dyrosauridae, confirming ...

American crocodiles, once near extinction, now number between 1,500 to 2,000 adults, primarily in South Florida. Though shy by nature, crocodiles are predatory animals and people should use caution ...