A look into the strange and imaginative world of electric vehicle design, from ultra-futuristic concept cars to designs that'll be available within the year.

Green design, sustainable innovation, alternative energy - these are all recently-coined buzz-phrases but historical civilizations have done very similar things.

Let's look at some of the more obscure forms of alternative energy that you can use to power your home.

Rats are amazing creatures with amazing skills, abilities, intelligence, memory and traits. Learn rat stories, trivia, and unusual facts about these rodents.

This article describes the hottest, wettest, driest, highest, lowest, tallest, coldest and other most extreme locations and places on earth.

The world's deepest and most deadly dive sites include old nuclear missile silos, blue holes, artificial dive pools and caverns over 300 feet deep.

From moving rocks to mammatus clouds and red tides to fire rainbows, here are seven of the most spectacular phenomenal wonders of the natural world.