Behind a pretty shell sits a precision hunter whose toxins can stop a heartbeat, yet also power pain relief and new diabetes care.

Scientists say humans share ancestry with a tiny one eyed creature from 600 million years ago, and remnants of its “cyclops” eye may still exist deep inside our brains.

"This capture is the first confirmed record." Experts stunned after first-ever live sighting of elusive ocean creature: 'That's so rare' first appeared on The Cool Down.

From Harry Potter to The Lord of the Rings, these are the best and most memorable monsters from fantasy cinema.

Just as space aliens might benefit from a society rooted in Jewish ideals, so too might humans benefit from the encounter ...

The Australian box jellyfish, not any snake or scorpion, holds the title of the most venomous marine animal on the planet. Despite widespread public fear of reptiles and arachnids, this translucent ...

This newly discovered reptile ran like a greyhound — and its name is a tribute to the scientist’s high school teacher.

"I’ve been down 3,000 feet alone in the ocean, which has got to be one of the loneliest places on the planet," Widder says.

A 307-million-year-old tetrapod, Tyrannoroter heberti, is one of the earliest known plant-eaters on land. Its tiny teeth reshaped ecosystems and paved the way for humans’ plant-based meals.