(CN) – Sea urchins’ sharp new teeth are a chip off the old block: Research published Wednesday in the journal Matter confirms how spiny echinoderms sharpen their teeth by breaking them off. “The ...

A sea monster with teeth so sharp they formed a "saw-like blade," swam in the waters of what is now Morocco about 66 million years ago, a new study finds. Miners discovered the remains of this ...

Online viewers were flabbergasted over a ghastly-looking sea creature washed up on a beach in California, as depicted in a Reddit post making waves online. “It’s giving me nightmares,” read the post ...

Researchers have discovered a new species of mosasaur, a terrifying prehistoric reptile that lived during the age of dinosaurs, in Morocco. Known as Gavialimimus almaghribensis, the new species had a ...

All teeth evolved from a single ancient sea predator, according to a new study. The study explains how certain species evolved to grow teeth by pinpointing their likely origin in an armored ray that ...

Shortly before a mass extinction ended the Age of Dinosaurs, a reptilian, barracuda-like carnivore with a mouth like a box cutter patrolled the warm seas that once covered swaths of what is now North ...

Sea urchins have five teeth, each held by a separate jaw in a circular arrangement at the center of their spiked, spherical bodies. Now, researchers reporting in the journal Matter on September 18 ...