After looking at meteors in a previous post, now we view comets and their place in our lives.

We're reminded of the inherent beauty of celestial objects large or small, and that we may not always have the chance to view them as we do now.

A look at stunning temples and monuments built into massive, natural caves.

Renewable energy power plants are usually upgraded before they fall into disrepair. Yet sometimes relics of a renewable past are left scattered across the landscape.

From a Mayan treehouse playground of the rich to the home of descendants of Bounty mutineers, here are 10 mysterious and unusual islands.

Everybody wants to make a buck off 'green', but not all companies claiming environmental responsibility are telling the truth.

Symbiotic pairs, camouflaged critters and color-changing animals are one thing, but what about exploding and raining animals? Oh yes, they exist and much much more.

Of all the animal pairings in the world, some of the most uncanny ones involve birds. What? Those flighty animals the flit about and flee at the slightest sign of trouble?

The ability to change color seems like an animal superpower at times - some of them can blend with the colors, materials and textures of virtually any surroundings.

hile scientists have postulated all kinds of evolutionary reasons for sexual cannibalism, their theories are often confounded by three core conflicts:

Some of these incredible natural phenomena are rare and a few can be terribly dangerous while others ubiquitously visible and beautiful the entire world over.

Strange Animals: Bizarre, Unusual and Weird Animals including the walking fish, giant salamander, star nosed mole and hagfish.

Symbiotic and mutualistic, never parasitic, here are seven of the most radical underwater symbiotic relationships from the shallowest to the deepest waters of our world.

Strange, unusual, weird, bizarre ways that animals move and odd facts about animal locomotion including flight, rolling, walking on water, bipedalism, and more.

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