Using 25 of a cat whisperer's extraordinary images, here are 10 large cats we might not normally get close enough to say, here kitty kitty, smile for the camera.

Size DOES matter: These 9 amazing animals prove that when the going gets tough, the tough get big!

The Hubble pierces the heart of outer space darkness, delighting us as our super eye in the sky. Here are 23 famous Hubble discoveries and NASA heavy hitters.

Gloriously hued and ephemeral in nature, these ten amazing rainbows show what happens when Mother Nature gets out her paintbox.

Solar and wind energy get a lot of time in the news, but what about all of the other fuel sources being considered? These are five of the more offbeat ideas.

Polar bears are the top predator in the arctic marine ecosystem. But thanks to mankind, these magnificent animals are headed for extinction.

This cool collection of striped, streaked and striated icebergs show that there's much to be gained by freezing between the lines.

A group of students in Utah learned that even small actions can have big environmental effects. Their class project will bring clean power to 44,000 homes.

Though most typically white, snow can take on a rainbow of different hues due to a wide spectrum of environmental additives.

Re-engineering the global ecology to fight climate change, or shifting the planet to a new orbit...hey, what could possibly go wrong?

Telepathy helmets, spray-on solar cells and seeing through a tooth: they may seem unlikely or even impossible, but these are real recent scientific discoveries.

Sunburn and skin-damage, sun-cream and sea-damage...can't we make our relationship to UV light a healthier one? You bet - take a look at these examples!

The creative possibilities of OLEDs in clothing, jewelry, and art is limitless. Here are 33 excellent OLED eco-friendly designs, from super-sly spy to the interactive.

The distinctive lack of skin pigment displayed by albino animals, as these 7 examples show, is complemented by the beauty and rarity of its presentation.

Here are 23 images taken from Pinewood Studios underwater movie shoots like The Da Vinci Code and Casino Royale, as well as some extra underwater stage filming photos.