Researchers discovered two new species of snake eels in Vietnam, one with "robust" teeth and one with "sharp" teeth.

The fossilized remains of a newly discovered ancient shark species found in the depths of Kentucky’s Mammoth Cave National Park reveal not the sharp, pointy gnashers you’d associate with Hollywood’s ...

The clicking of flattened teeth, discovered by accident, could be “the first documented case of deliberate sound production in sharks,” evolutionary biologist Carolin Nieder, of Woods Hole ...

Sightings of a poisonous pufferfish in a popular European country could spell trouble for its booming tourist trade.

Mar. 19, 2025 — To understand why kangaroos hop -- a rarity among animals -- researchers have studied the musky rat-kangaroo (Hypsiprymnodon moschatus), a diminutive marsupial that weighs only ...

Mouth guards for sleep, also called night guards, bite guards, or teeth protectors, are tooth coverings that ease clenching and teeth grinding—a sleep disorder that affects over 30% of adults. Wearing ...

Mar. 12, 2025 — The discovery of a human facial fragment aged over one million years represents the oldest known face in western Europe and confirms the region was inhabited by two species of ...