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Changing winter conditions are causing Scotland's wild Soay sheep to get smaller, according to a study that suggests climate change can trump natural selection.
Changing winter conditions are causing Scotland's wild Soay sheep to get smaller, according to a study that suggests climate change can trump natural selection.
Walk past the southern face of the Musée du Quai Branly, Paris, and you will be greeted by a massive wall of brilliant green foliage -- an 8,600 square feet plant installation by the designer Patrick Blanc, featuring more than 170 different species.
A long line of hospital staff wraps around the corridor outside a small conference room in New York to catch a glimpse of the precious cargo.
One 12-year-old Virginia boy was playing baseball when it happened.
Scientists in the United States are developing a "synthetic tree" capable of collecting carbon around 1,000 times faster than the real thing.
Growing up surrounded by generations of jewelry wearing tradition, I was drawn to the brilliance and transparency of diamonds from an early age. Later, it was the fact that diamonds are a unique resource, evoking beauty and eternal love that lead me to found DIAZ Fine Jewelry.
"Refugees are the most vulnerable people on Earth. They are fighting to survive." -- Angelina Jolie, United Nations High Commissioner for Refugees goodwill ambassador
Man-made climate change threatens to stress water resources, challenge crops and livestock, raise sea levels and adversely affect human health, according to a report released by the Obama administration on Tuesday.
A former motor-racing engineer has unveiled a prototype of a new hydrogen-powered city car which claims to emit less than one third of the carbon emissions produced by its nearest rival.
The wind blowing through the streets of Manhattan couldn't power the city, but wind machines placed thousands of feet above the city theoretically could.
Cell phone technology is helping developing nations prepare for disease threats such as a new strain of swine flu, an outbreak of measles or the increased spread of HIV.
There is a region of the world where the weather is always hot and humid and it rains almost every day of the year. Sounds predictable, right? But weather in the Intertropical Convergence Zone, or ITCZ, can be volatile and dangerous.
The head of the Intergovernmental Panel on Climate Change has rejected suggestions that the United States has adopted too soft a stance on climate change negotiations with China.
Many leading brands, including Cadbury-Schweppes, Tropicana and Tesco, have begun introducing "carbon labeling" on products to give customers an idea of the environmental impact of the food that they are buying.
A small band of sailors are facing a summer of raging Arctic storms, cramped quarters and soggy clothes in their search for the human face of climate change.
Today, Monday, June 8, we recognize the first U.N.-sanctioned World Oceans Day. The event comes after years of pressure from conservation groups and thousands of activists who clamored for everyone to know and understand what's happening in our oceans.
The world's oceans are full of trash, causing "tremendous" negative impacts on coastal life and ecology, according to a U.N. report released Monday.
The world's oceans are full of trash, causing "tremendous" negative impacts on coastal life and ecology, according to a U.N. report released Monday.
The massive amount of garbage in the ocean likely complicates the search for the remains of an Air France flight that went missing Monday near Brazil, oceanographers who spoke with CNN said.
Today's not only the first of the month or the start of the summer season meteorologically: It's the first day of hurricane season 2009.
If we don't know our history, then we can't know our future. Historians arguing the relevance of their subject often repeat that mantra.
At the 1964 New York World's Fair, people stood in line for hours to look at a strange sight.
Advances in the study of coral in the last few years has led a group of scientists to conclude that corals almost rival humans in their genetic complexity and their relationship to algae is key to their survival.
Continental shelves beneath the retreating polar ice caps of the Arctic may hold almost double the amount of oil previously found in the region, scientists say.
Researchers have found that rooks, a member of the crow family, are capable of using and making tools despite not doing so in the wild.
Dawa Steven Sherpa is leader of Eco Everest Expeditions, aiming to educate climbers about their impact on the Himalayas and highlight the affects of climate change on the region.
A pea-sized seahorse, the world's longest insect, a "ghost slug" and the world's smallest snake were among the top 10 species discovered in 2008, a committee of scientists said Friday.
A new study dispels the widely accepted theory that the Komodo dragon kills by infecting its prey with toxic bacteria.
Former U.S. President Bill Clinton on Tuesday urged urban leaders and policymakers they need to take the lead now in fighting climate change.
Scientists hailed Tuesday a 47-million-year-old fossil of an ancient "small cat"-sized primate as a possible common ancestor of monkeys, humans and other primates.
We need to introduce simple arithmetic into our discussions of energy.
Experts have warned that the richly diverse coral reefs of the Coral Triangle around southeast Asia will disappear by the end of the century if action is not taken against climate change.
The migration patterns of basking sharks have long mystified marine biologists, but new research has finally revealed where the world's second-biggest fish hide out for half of every year.
Around 200 new species of frogs have been found in Madagascar, one of the world's biodiversity hotspots.
As a hobby, Suzie Jirachareonkul, a teacher and mother of two, spends many of her nights searching for endangered toads on the country roads near her home outside Cape Town, South Africa.
On May 4, 2007, a monster tornado tore through this rural town, killing 11 people and leaving little more than empty slabs and stacks of debris. Greensburg, 109 miles west of Wichita in south-central Kansas, faced the daunting task of rebuilding from scratch.
(CNN) -- A head-banging parrot who became a YouTube sensation has demonstrated that an ability to appreciate music and keep a rhythm is not unique to humans, scientists say.
A team of scientists from Canada, Spain and the United States has identified a key gene that allows plants to defend themselves against environmental stresses like drought, freezing and heat.
Siberia's Lake Baikal, the world's largest and most biologically diverse lake, faces the prospect of severe ecological disruption as a result of climate change, according to team of U.S. and Russian scientists.
The indigenous people of Alaska have stood firm against some of the most extreme weather conditions on Earth for thousands of years. But now, flooding blamed on climate change is forcing at least one Eskimo village to move to safer ground.
Alaska's Mount Redoubt towers more than 10,000 feet above sea level, is an active volcano and can send clouds of ash so high that jetliners could be at risk.
A polar bear falls through thin Arctic ice while searching for food for his family. A humpback whale guides her calf on a perilous 4,000-mile journey. A herd of African elephants in search of water battles a sandstorm in the Kalahari Desert.
Plants absorbed carbon dioxide more efficiently under polluted skies than they would have done in a cleaner atmosphere, according to new findings published this week in Nature magazine.
Beneath an Antarctic glacier in a cold, airless pool that never sees the sun seems like an unusual place to search for life.
In the midst of our economic and environmental crisis, I am grateful our new president embraces the potential of green ideas.
A British consortium pledged Tuesday to spend up to £10 million ($14.5 million) in research grants to find out what is causing a serious decline in bees and other pollinating insects.
Scientist and author Stephen Hawking is "very ill" and has been hospitalized, according to Cambridge University, where he is a professor.
Distinguished scientist Stephen Hawking was said to be in a "comfortable" condition Tuesday after spending the night in hospital, Cambridge University said in a statement.
Six heat-trapping gases that contribute to air pollution pose potential health hazards, the Environmental Protection Agency said Friday in a landmark announcement that could lead to regulation of the gases.
In the rain forests of Central America grows the nutrient-rich Maya nut. The marble-sized seed can be prepared to taste like mashed potatoes, chocolate or coffee. To those who stumble upon the nuts on the ground, they're free for the taking.
With the exception of that come-from-behind win over an overconfident hare, turtles and racing have never really been a very good match.
Rivers are the arteries of our infrastructure. Flowing from highlands to the sea, they breathe life into ecosystems and communities.
Secretary of State Hillary Clinton called for tighter controls over tourism and other forms of pollution in Antarctica Monday, arguing for greater global cooperation to help preserve the continent's environmental and scientific research value.
A large ice shelf is "imminently" close to breaking away from part of the Antarctic Peninsula, scientists said Friday.
British authorities and environmental groups were welcoming the launch this week of the world's first biodegradable chewing gum, which they say could help save some of the millions spent on clearing up the mess ordinary gum creates.
North Atlantic right whales, sort of the homely underdogs of the whale world, birthed a record number calves this year off the coast of the southeast United States, giving some scientists hope that the uber-rare and often overlooked species can recover.
Over the railroad tracks, near Agriculture Drive on the University of Georgia campus, sits a unique machine that may hold one of the solutions to big environmental problems like energy, food production and even global climate change.
The mysterious burst of light in the sky and loud booms witnessed Sunday night by residents along the Mid-Atlantic coastline was likely caused by a Russian rocket booster re-entering the atmosphere, said an official at the U.S. Naval Observatory.
More than 100 years ago, J.A. Loring had his eyes on the California sky and his hand on a pen.
A volcano in southern Alaska erupted anew Monday, the fifth eruption since coming back to life Sunday night.
Researchers have raised the alert status at Mount Redoubt, a volcano in southern Alaska, after another increase in seismic activity.
An internationally renowned paleontologist will plead guilty to stealing dinosaur bones from federal land, his attorneys said in a court filing.
Bird populations native to several areas of the globe are in decline, with some teetering on the brink of extinction, according to a multi-agency report, the first of its kind, released Thursday.
When Lynn Heinisch and her neighbors in Atlanta, Georgia's Lake Claire neighborhood take their recycling to the curb for pickup each Thursday, they cross their fingers and hope for the best.
When Lynn Heinisch and her neighbors in Atlanta, Georgia's Lake Claire neighborhood take their recycling to the curb for pickup each Thursday, they cross their fingers and hope for the best.
Canadian researchers say they have discovered the smallest known North American dinosaur, a carnivore that roamed areas of the continent 75 million years ago and weighed less than most modern-day house cats.
Indian scientists have discovered three new species of bacteria in Earth's upper stratosphere that are resistant to ultraviolet radiation, researchers said.
It could be the ultimate test of human endurance: Three British explorers are risking their lives in subzero temperatures to measure the melting Arctic ice cap.
Glenn Wood and several other retirees lean on a wood rail on the second story balcony of the Golden Lion Café -- a beachside pub and restaurant in northern Florida.
Three years ago, Phillip Loughlin made a choice he knew would brand him as an outsider with many of his fellow hunters:
You had a close encounter with a 40-yard-wide asteroid this week, but the astronomer who first spotted the large rock said it's nothing to worry about.
Until last December, no one had ever seen the bottom of the Tasman Fracture, a trench that drops more than four kilometers below the surface of the ocean. A group of Australian and American researchers recently spent a month hundreds of kilometers southwest of the Tasmanian coast, exploring the fracture's depths.
Beyond the golden beaches and beneath the blue waters of the Puerto Rican island of Vieques is a site that resembles more of a munitions graveyard than a Caribbean paradise.
Archaeologists in Israel have discovered what they believe is the bust of a Roman boxer from the second or third century.
He had a rough life during the Ice Age, walking around with a couple of broken ribs and a possibly cancerous lesion on his jaw before dying at a young age.
Shark attacks on humans were at the lowest levels in half a decade last year, and a Florida researcher says hard economic times may be to blame.
Climate-driven environmental changes could drastically affect the distribution of more than 1,000 species of commercial fish and shellfish around the world, scientists say.
Before there was an extensive fossil record, DNA sequencing or even a basic understanding of genetics, there was Charles Darwin.
The next time you land safely in Seattle, you may want to thank Steve Osmek.
There's the cobra, the cat and the downward-facing dog.
Scientists in Colombia have unearthed the remains of a true prehistoric monster believed to be the biggest snake ever to have lived on Earth.
From the Seavey dog sled kennel you get a clear view of the Redoubt volcano, and the Seavey family is watching closely.
If every scientist hopes to make at least one important discovery in her career, then University of California-Davis professor Pamela Ronald and her colleagues may have hit the jackpot.
Mount Redoubt is ready to blow, but Alaskans are taking it in stride -- especially longtime residents who were around when the mountain last erupted in 1989.
It's 3 degrees and snowing outside the Alaska Volcano Observatory in Anchorage, but inside the operations center, things are heating up.
It took about 110 years and some delicate surgery on his most private parts, but Henry -- a lizard-like creature from New Zealand -- is now a dad.
Environmentalists are encouraged by President Barack Obama's focus this week on renewable energy and stricter emissions standards, although some economists are skeptical he can pull the country out of the recession while cleaning up the planet.
Mount Redoubt, the Alaskan volcano expected to erupt at any time, is getting a bit more edgy.
In the shadows of Mount Redoubt, Alaskans are calmly waiting for the volcano to erupt -- an event that could occur at any time.
Here's a tip for dairy farmers: If you want your cows to produce more milk, get to know them better.
Just as "Y2K" and its batch of predictions about the year 2000 have become a distant memory, here comes "Twenty-twelve."
Forests in the Pacific Northwest are dying twice as fast as they were 17 years ago, and scientists blame warming temperatures for the trend, according to a new study.
Billionaire and clean-energy proponent T. Boone Pickens said that the U.S. should establish a federally funded loan program, or bank, to finance large-scale wind developments.
Researchers have found a way to prompt bone marrow to release a flood of certain stem cells which could help heart attack patients recover faster.
One of the planet's most fragile and pristine ecosystems sits atop a bounty of untapped fossil fuels.
Tiny diamonds found in the soil are "strong evidence" a comet exploded on or above North America nearly 13,000 years ago, leading to the extinction of dozens of mammal species, according to a study.
From columns of cloud streaking over the Caspian Sea in January to vast tracts of cleared forest in Bolivia in December. In 2008, the NASA Earth Observatory has captured more stunning images of the Earth.
Archaeologists believe they have unearthed only a small fraction of Egypt's ancient ruins, but they're making new discoveries with help from high-tech allies -- satellites that peer into the past from the distance of space.
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