Ducks with corkscrew penises, fish changing sex – what do we really know about sex and reproduction on Earth? Less than we ...

Dolphins enjoy one of the friendliest reputations in the animal world. Movies, aquariums, and viral clips often show them ...

Contender, Ocearch's largest male great white shark tagged in the Atlantic, has been pinged off Georgia and South Carolina ...

Nineteen predators, a species once believed to be extinct, were released earlier this month.

Slugs are commonly seen as slow-moving, slimy creatures that live in gardens, but the biology of slugs is actually quite ...

The largest great white shark tagged in the Atlantic ocean has made a "sudden movement", helping scientists learn about the ...

Cougars, once native to Michigan, have long held a place in the state’s natural history, even as their presence faded more ...

Discover 25 amazing scientific facts that affect your life every day. From your glowing body to your brain's power, explore ...

In the world of rattlesnakes, size records are usually dominated by heavyweights such as eastern and western diamondbacks, ...

Discover 25 random facts that are too strange to Google! Dive into bizarre truths about history, science, and nature that ...

Scientists built tiny shelters for ground-dwelling frogs in Queensland to see which ones they liked the best. Here's what ...

Powerful punches. Flesh-tearing teeth. Deadly talons. We explore the best (or is it the worst?) weapons in the natural world.