(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 ...

When fisherman Andrew Rose hooked a slimy sea critter in Australia back in February, he made sure to keep his distance. The fish, which had no eyes and razor-sharp teeth, was unlike anything he'd seen ...

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 ...

Scientists have discovered the fossils of a new prehistoric species in Morocco — a bizarre-looking marine lizard considerably larger than a great white shark, which, they say, dominated the seas while ...

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 ...

We are at a critical time and supporting climate journalism is more important than ever. Science News and our parent organization, the Society for Science, need your help to strengthen environmental ...

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 ...