The prehistoric animal is so bizarre that, for years, scientists couldn’t figure out which side of it was the front and which was the back.
The alien-like worm has a mouth in the middle of its belly and can climb trees.
President Obama, Bill Gates, Oprah Winfrey and kangaroos have at least one thing in common: they’re all left-handed.
Meet 'Hellboy,' one of the most unusual horned dinosaurs ever discovered.
Fear is growing over an incredibly strong invasive fish that can climb on land, live for extended periods outside of water, and choke its predators to death.
Who needs cupid when you have built-in arrows to attract the opposite sex?
Dinosaurs might have been more like us than previously thought, claims a new study.
Birds click their bills with great rhythm -- but why?
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