In today’s optical illusion challenge, a tricky brain teaser asks viewers to spot the hidden number '8' among rows of 5s and ...

Top water negotiators declined to speak at an upcoming conference amid closed-door meetings about the future of the water ...

Go back 200,000 to 400,000 years, to when our Neanderthal ancestors were kicking about, and the latest in manufacturing ...

For centuries, scientists have observed that animals in warmer climates have longer limbs—a pattern known as Allen's Rule.

Photos show the “long”-legged animals in China, which were scared of flashlights and only appeared on dark and stormy nights.