If you’ve ever picked up a shark’s tooth on the beach or seen a prehistoric creature’s skull on display at a natural history museum, you may have noticed one characteristic that all these fossilized ...

A rumor that circulated in June 2025 claimed to show a collage of two authentic X-rays of a person with 81 teeth. According to many of the posts, the X-rays, which showed a skull from two angles, ...

Some male “ghost sharks” have a bizarre way of giving love bites: They use teeth that sprout from their foreheads. These otherworldly animals, also known as spotted ratfish, can grab onto mates using ...

Ozempic has been a hot-button topic recently. The prescription drug, semaglutide, is most commonly used to treat type 2 diabetes, but over the last few years, it has surged in popularity among people ...

A juvenile spotted ratfish. These deep-sea fish are named for their long, rat-like tails. Gareth J. Fraser, University of Florida Deep in the ocean, you can find a strange fish with teeth not just in ...

Women's Health may earn commission from the links on this page, but we only feature products we believe in. Why Trust Us? While a whiter smile seems to be the primary benefit being peddled on social ...

Researchers studied the male spotted ratfish's tooth-covered forehead appendage, which flares out to ward off rivals and grip onto females. reading time 3 minutes Spotted ratfish are scaleless, rabbit ...

Scientists studied how the sea creatures, also known as chimaeras or ghost sharks, ended up with one of evolution’s most bizarre appendages. By Jack Tamisiea Life in the ocean’s dark depths can be ...

Meet Nacho, the Orange Cat with dwarfism, who has completely stolen the internet’s heart. With his tiny stature, big round eyes, and hilariously square-shaped head, Nacho is proof that sometimes the ...

Ghost sharks have evolved rows of true teeth on a bizarre forehead rod used for mating. Fossil and genetic evidence revealed the tenaculum’s teeth develop the same way as those inside the mouth, ...

The spotted ratfish is a two-foot-long fish with a big head and a long, skinny tail that lives in the northeastern Pacific Ocean. It belongs to a group of fish called chimaeras that are closely ...

Sharks have been on this planet for more than 400 million years. They’re older than the first trees, the North Star, and even the rings of Saturn. They’ve seen and been through it all — but the ...