Unseasonably cold weather and globally warm scenarios pose grave animal dangers to tropical fish, sea turtles, colobine monkeys, gorillas and other marine animals.

Seed bombs have been a guerrilla gardener's best friend for almost 30 years. Now they're getting a facelift for large-scale use. Look out below!

Calling all explorers for a Martian treasure hunt! No spacesuit required. We can help discover new alien landscapes from the comfort of our computer chairs. Ready, set, click! Mars or bust…

What will the buildings and cities of the future look like? These futuristic designs all feature green walls or roofs to maximize their eco-friendliness factor.

These spiders' bold faux faces and smile-like markings aren't there to make you laugh, instead they serve to scare and confuse potential predators.

Our bodies contain more bacteria cells than human cells. They're in our mouths and guts, on our skin, and they can both help us and hurt us.

Seemingly mild creatures like cleaner fish, damselfish and fruit flies have recently shown that they have surprising wild sides when push comes to shove.

These glowing shapes and lights could be easily mistaken for the stuff of legends, stories, and fairy tales, but their origins are easily explainable.

Farming and gardening are a big part of everyone's life. These 5 recent Treehugger articles keep you up to date on fascinating farming/gardening developments.

Arachnophobia: the irrational fear of spiders. These hairy 8-legged, multi-eyeballed spiders may inspire fear, but get up close and they look almost cuddly.

"Going underground" has never been so eco-friendly. Architects and home builders are taking some of their designs underground to decrease environmental impact.

These six spectacular sacred stones from the stars illustrate the influence these astronomical visitors have had on humanity down through history.

These incredible natural landscape formations and man-made designs resembling faces and figures are made to be seen from airplanes or Google Earth.

From past (venomous dinosaurs) to present (venomous jellyfish) to future (venom treatments), the evolution, dangers and benefits of venom continue to surprise.

What if there were a building material 7 times stronger than concrete that's not only carbon neutral but carbon negative? That material is here, and it's hemp.