A new study reveals how smooth, vertical surfaces can confuse a bat's echolocation abilities.

Humans seem to be causing 'a radical shift in the living architecture of the planet,' researchers say.

Before she flew back into the wild, Miss Alicia the bat met a fruit and fell in love.

A new study introduces 18 previously unknown spider species that look remarkably like pelicans.

About the size of a pinky nail, the nest cups are filled with 'eggs.'

Mowing a lawn every two weeks instead of weekly can boost the abundance of bees, according to a new study.

You may think of butterflies simply as colorful garden pollinators, but there's so much more to these beautiful insects!

More than 100 plant species are capable of going dormant to avoid danger, according to a new study.

Conservation efforts are helping some large predators reclaim ancestral habitats, a new study finds.

As Tracy Jordan famously said, 'Live every week like it's Shark Week.'

Our planet has lost 60 percent of its vertebrate animals since 1970, but there still may be time to save the rest.

Genetic relics from a 'ghost population' of red wolves seem to live on in these coyote-like creatures.

Extinctions are a wake-up call to protect the dwindling species that still exist.

Newly discovered remains of the Antarctic king, Antarctanax shackletoni, paint a lush picture of the Antarctica of 250 million years ago.

Thirty Meter Telescope, which has faced protests and construction shutdowns, will be built in a culturally and ecologically sensitive area of Hawaii.

Millions of black 'shade balls' float on the surface of reservoirs, slowing evaporation.

Some of the smartest solutions really do lie right under our noses. In the case of Indie Energy, a Chicago-based cleantech company, the solution was buried in t

With Hawaii's endless renewable energy potential, the state plans to generate 40 percent of its power from clean sources by 2030.

Giant cable will allow Iceland to share its vast geothermal and volcanic energy resources with mainland Europe.

A closer look at the Lone Star Geyser could help scientists predict volcanic eruptions.

Transition to clean energy meant to provide a proof of concept to other island nations in the Caribbean.

Hot springs are generally considered to be destinations of rest and relaxation, but that's not always the case!

Yellowstone National Park closed a popular road on July 10 after geothermal heat cooked the asphalt.

The bizarre, unexplained sounds that harmed American diplomats working in Cuba may have come from the Indies short-tailed cricket.

Dubbed the 'flying bulldog,' this extremely rare bee has been lost to science since 1981.

Sam Jaffe created The Caterpillar Lab to share his love of these weird and wacky creatures. He transformed a childhood passion into a full-fledged career.

Hives of honeybees do 'the wave' by shaking their booties. The wave pattern, called "shimmering,", requires impressive coordination.

Australia's desert ants are thriving in the face of climate change.

The decline of Ohio's butterflies likely reflects a broader crisis for a wide range of insects, researchers say.

New research suggests paper wasps use facial recognition to work better alongside one another.

The western monarch population may be on the verge of collapsing.

An archaeologist dug through a publicity blitz to make an amazing find. A story of grave robbers. Ancient civilizations. Hidden treasure. Glowing skulls.

A heads-up to parents about Disneynature's newest release follows the story of two feline families struggling to survive in the African savannah.

By treating 'the environment' as something outside our daily lives, Earth Day is no longer calibrated to meet the scope of the climate and energy crises — nor

Kick off Earth Week with this dramatic three-minute film, which dives into the 'Heart of Darkness' to highlight the humbling majesty of our planet.

As marketers use Earth Day to hock anything and everything, including a 'Real Housewives' episode, bloggers weigh in on the ridiculousness of it all.

Take a look at what the world's water supply would look like as a single drop - and find out what your family can do to protect it.

PBS Kids' beloved Arthur cartoon will spend Earth week teaching kids to go green.

Did you know that 80 percent of the known terrestrial plant and animal species are found in forests?

Thought-provoking documentary weaves together stunning imagery with enlightening interviews to show how connected we are to our planet.

Hollywood icon Betty White discusses her passion for animals and her book, "My Life at the Zoo."

The COP16 climate summit kicks off in Cancun with a monumental statement to UN negotiators -- the whole world is ready for a low-carbon future, and the next ste

China admits it's the leading emitter of greenhouse gas emissions — even though everyone else already knew that. What that means for this week's negotiations

Mexican president proves himself a visionary with a sense of humor at the Cancun Climate summit.

Japan wants no part of Kyoto but what about the other goals of COP 16?

Christiana Figueres says any agreement will be a step in the right direction, but it's clear she's not convinced Cancun will be a huge step.

In "The Passage," a family recounts past adventures and explores the meaning of kinship on a grand Alaskan journey.

In 'Caribou Rainforest,' wildlife photographer David Moskowitz tracked elusive caribou through their rainforest habitat in the Pacific Northwest.

The Scottish wildcat, an adorable yet fierce native cat species, may disappear within the next few years.

We label a lot of species with the shiver-inducing denizen of the night, even if they don't suck blood.