2,500-year-old stone slab could offer clues to deciphering the lost language and religion of the Etruscans.

Nissan is taking reservations for its Leaf battery car starting April 20, two days before Earth Day. Will the 115,000 "hand wavers" sign up, pay $99, and get in

An accident in Montana is the latest in a long and troubled line of pipeline incidents in America.

Narrator Daryl Hannah, filmmaker Leslie Iwerks and others discuss the Keystone XL pipeline battle in 'Pipe Dreams.'

Climate scientist James Hansen was arrested on Feb. 13 outside the White House while protesting the Keystone Pipeline.

Meet the author, farmer, entrepreneur and leader of the local food movement as he shares his thoughts on modern farming and the needs of animals.

At a tiny outpost in the middle of Antarctica, Russian scientists are poised to become the first humans to reach a massive liquid lake that has been cut off fro

Magnesite has long been known as a CO2 absorber, but the slow rate of its growth made it a poor carbon storage option. Until now.

In "Ajijaak on Turtle Island," a young crane's migration journey brings Native American stories to life.

Once used for gas storage, the skeleton of the Victorian structure now frames a circular park.

Which shortlisted bridge proposal for Tintagel Castle would King Arthur himself choose?

Preservationists suspect warmer-than-normal weather is to blame for the pests' proliferation.

Devil’s Den Spring in Florida is a premier diving spot hidden inside a sunken cavern.

The new time-lapse film features a tornado birth, lightning bursts and a rare 'fluid sunset,' all in 4K resolution.

Kombucha, the fermented tea drink that's exploding in popularity, was recently pulled from stores shelves across the nation after regulators found higher than e

In a step in the right direction, Whole Foods announces it will remove all unsustainable seafood choices from its stores by Earth Day.

Thieves make off with $20,710 worth of the sweet hazelnut spread.

Located down the road from the 2012 HGTV Green Home in the South's preeminent New Urbanist eco-community, the Bosch Zero Energy Home blends country charm with a

The Aston Martin e-Cygnet will be available in 2013.

A freak summer hailstorm covers Mexico's Guadalajara in at least 5 feet of ice.

Five Nebraska lawmakers say there is no rush to approve a massive pipeline that could damage the environment.

Activists line up for different causes along different U.S. coasts to make sure that politicians know how they feel about methly iodide and a proposed pipeline

Tribal leaders are among the thousands of protesters who are trying to keep the Obama administration from giving the green light to a new pipeline.

Actress partners with Natural Resources Defense Council, asking people to join her in opposing the $7 billion project.

Amid accusations of bias and corruption, the agency's inspector general will investigate its review of the proposed oil-sands pipeline from Canada.

Actor and environmentalist says President stood up to Big Oil by delaying project and calling for more environmental reviews.

With the 1,700-mile oil pipeline now likely on hold until 2013, here's a roundup of reactions from 10 people closely involved in the debate.

The State Department has denied the proposed oil pipeline from Canada, heading off a congressionally mandated deadline of Feb. 21.

The Obama administration's move won't necessarily kill the controversial oil pipeline, but it has still drawn strong reactions from both sides of the debate.

According to the GOP's favorite media mouthpiece, the Keystone XL pipeline would have created thousands, no- tens of thousands, no- hundreds of thousands, wait-

Climate activist Bill McKibben says now is the time for the Obama administration to stand up to the richest industry on Earth.

From Michigan to Arkansas, a series of recent oil spills have raised doubts about the proposed Keystone XL oil pipeline.

Washington Post energy correspondent Steven Mufson traveled the 1,700-mile path of the controversial tar sands pipeline.

Ads supporting the pipeline are the work of 2 political offshoots of Zuckerberg's social welfare organization.

Amy Smart, Justin Chatwin, Wendie Malick and Ed Begley Jr. for the Environmental Media Association.

Divers enjoy a swim alongside a human-sized jellyfish near Cornwall, England.

Smithsonian Channel special celebrates the surprising history behind the flag that inspired our national anthem more than 200 years ago.

Can something as subjective as happiness be measured by a formula?

Faced with restaurant-clearing brawls, McDonalds is testing classical music on late-night patrons.

Investigators find unhealthy and dead animals on 24 farms near natural gas drilling sites. The resulting paper is the first peer-reviewed study linking fracking

Student film "Battle Behind the Bottle" tells the story of the cork industry positive response to the “kick in the pants” screw tops and plastics gave it.

An inside look at the 4-year effort to restore Atlanta's Fernbank Forest, a 65-acre forest within the city.

With Pluto's unveiling on the horizon, here's a quick look at past and present efforts to study the elusive world.

Garrison Architects creates a series of green modular structures to grace NYC's Sandy-ravaged beaches by Memorial Day.

A pair of preservation-minded architects are giving away a historic 1926 bungalow sold as a mail order kit home by Sears with one big catch ...

A messy winter storm is moving across the eastern half of the United States, threatening to delay holiday travel.

The demise of megalodon coincided with the loss of a third of the largest marine animal species, scientists say.

Ancient marine reptile sheds light on the origins of the distant relatives of modern crocodiles.

Learn about the natural world past and present at these outstanding museums

Miners in Australia uncover the opal-filled fossil of a dog-size herbivore named Weewarrasaurus pobeni.