ANIMALS

The giant phantom jellyfish has been spotted roughly 100 times since it was discovered more than a century ago.

More people are naming their cats ‘Loki’ than their dogs. Also, ‘Brady’ is less popular in Boston than it used to be.

The first thing you notice about giant African land snails is that they're ginormous. The second thing is that they're not limited to Africa.

Turkey eggs are perfectly edible, but you definitely won't find them at your local grocery store. Here's why.

No Mental Floss celebration—and no celebration of Mental Floss—would be complete without dropping a few fascinating facts and tidbits of trivia.

If you go for a walk in any one the 20 worst U.S. cities for dog poop, just remember to look down every 5 to 10 seconds.

English and French bulldogs are two of the most expensive dog breeds—but they don’t top the list.

Axolotls are second on the list of the most in-demand pets in the U.S., beating cats, rabbits, and guinea pigs.

The tongue-eating louse is a charming little isopod that likes to burrow into a fish's gills, settle in its mouth, then suck the blood out of its tongue until it falls off so that it can replace the organ and dine on the mucus.

Dogs have a tendency to soak furniture and shirt sleeves in their saliva. In humans, this would be cause for concern. So why do dogs do it?

Stories of drunken and mischievous college students sneaking up on cows and tipping them over have persisted for decades. It turns out anyone claiming to have succeeded was just milking an urban legend.

Masterpiece the Toy Poodle was a prized pet. But despite his fame, his mysterious disappearance in 1953 remains unsolved.