They were 51 young men who met a grisly death far from home, their heads chopped off and their bodies thrown into a mass grave.
They were 51 young men who met a grisly death far from home, their heads chopped off and their bodies thrown into a mass grave.
A team of scientists has agreed that a giant asteroid killed off dinosaurs and a majority of other species on Earth more than 65 million years ago.
Cinemagoers will be familiar with the thrill of giant waves.
On January 12, a magnitude-7.0 quake struck Haiti just southwest of the capital, Port-au-Prince. On February 27, an 8.8-magnitude quake hit Chile near that nation's second largest city, Concepcion. That same day there was a 7.0 quake off the coast of Okinawa, Japan, and just this week a 6.4 quake hit southern Taiwan.
Atrazine, a weed killer widely used in the Midwestern United States and other agricultural areas of the world, can chemically "castrate" male frogs and turn some into females, according to a new study.
Two teams of explorers and scientists are on their way to the Arctic for the first international project to measure the amount of carbon dioxide in water beneath the ice.
For polar explorer Ann Daniels, the worst part of this year's expedition to the Arctic won't be enduring bitterly cold temperatures or pulling a 100-kilogram (220-pound) sledge over steep jagged ridges.
The head of the United Nations climate change convention is leaving his post, a move that comes a few months after the Copenhagen summit.
Nearly half the world's primate species are in danger of extinction, according to a report released Wednesday by a major conservation group.
NASA has postponed for one day the scheduled launch of a rocket carrying a solar probe.
Tigers could become extinct in the wild in less than a generation, the World Wildlife Fund warned Wednesday as it launched a campaign to save them.
A car able to run solely on power generated from the material in its roof or door could offer a sustainable alternative to other eco-friendly motoring solutions, researchers say.
Tokihiko Okada has hundreds of children. Well, not literally, but you might as well call the giant bluefin tuna he cares for in the ocean tanks his "children."
It is a criticism frequently leveled at those promoting wind or solar power as an alternative to fossil fuels: what happens when the wind doesn't blow or the sun doesn't shine?
Scientists have warned for years that the island of Hispaniola, which Haiti shares with the Dominican Republic, was at risk for a major earthquake.
The first decade of the 21st century was the warmest ever on Earth according to data released by scientists at NASA.
Every eight seconds, somewhere in the world a child dies from waterborne diseases because the parents cannot afford clean water, according to Maude Barlow, founder of the Blue Planet Project.
What a difference a decade makes. Since the turn of the millennium environmental issues have come to the forefront with a marked shift toward all things green in politics, technology and perhaps most importantly, society.
The UN Climate Change Conference in Copenhagen last December was widely portrayed as a failure. But just how bad was the result? And is there cause for optimism? CNN spoke to climate change expert Mark Lynas who was in the room with world leaders as key decisions were debated.
As world leaders and their delegates trod the carpet thin at the United Nations climate summit in Copenhagen last week, one environmental solution to reduce greenhouse gas emissions was literally under their feet.
Scientists witnessed the eruption of the deepest underwater volcano and caught the entire event on film for the first time -- complete with molten lava and sulfur smoke clouds.
Thousands of people tuned in to watch the CNN/YouTube climate change debate, which took place Tuesday at the COP15 climate conference in Copenhagen, Denmark.
A massive iceberg -- more than twice the size of New York's Manhattan island -- is drifting slowly toward Australia, scientists said Wednesday.
A U.S.-built, unmanned mini-submarine on an ocean research mission has successfully crossed the North Atlantic by gliding on underwater currents, U.S. officials said Wednesday in Spain, where they came to retrieve it.
In the run up to what some individuals and media outlets are labeling "the meeting of Humanity's future" all eyes will be on the 12,000-15,000 official U.N. accredited participants as well as the army of activists, media, business representatives and even skeptics.
One of the world's leading authorities on climate change has dismissed the contents of controversial e-mails leaked from the University of East Anglia as nothing more than friends and colleagues "letting off steam."
As world leaders gathered in Copenhagen Monday for the start of the United Nations climate conference, leaked e-mails from an internationally-renowned climate research unit threaten to overshadow the talks.
On the opening day of the global climate summit in Denmark, a key U.N. official said she is optimistic that there will be a binding international treaty next year to cut greenhouse gas emissions.
Nestled in the heart of American coal country, on the banks of the Ohio River, an expensive, high-stakes experiment is under way -- one that could fundamentally alter the way the world manages carbon emissions.
The UK's weather service, the Met Office is to publish station temperature records that make up the global land surface temperature record.
An international team of scientists has developed a new method of measuring the absorption of CO2 by the oceans that could become an "early-warning system" for climate change.
When the arctic winds howl and angry waves pummel the shore of this Inupiat Eskimo village, Shelton and Clara Kokeok fear that their house, already at the edge of the Earth, finally may plunge into the gray sea below.
G20 economies need to quadruple cuts in their carbon intensity levels in the next ten years or risk a dangerous rise in global temperatures by 2050, according to new report.
The world has taken a step closer to "clean coal," thanks to new technology that actually uses CO2 to make power generation more efficient.
New Zealand is preparing for some rare spring visitors.
A Christian evangelist branded an idiot by atheist biologist Richard Dawkins for trying to refute Charles Darwin's theory of evolution has brushed off the criticism.
A possible rise in sea levels by 0.5 meters by 2050 could put at risk more than $28 trillion worth of assets in the world's largest coastal cities, according to a report compiled for the insurance industry.
A team of South Korean scientists have produced the polymers used for everyday plastics through bioengineering, rather than through the use of fossil fuel-based chemicals.
A salty soup of seawater, microscopic pieces of plastic and marine debris. Those are the ingredients in the North Pacific Gyre, an ocean vortex estimated by Greenpeace to be the size of Texas, contaminated with the floating detritus of our modern lives.
Today we face a perfect storm. As the crises related to the climate, economy, food and poverty collide and combine they threaten to overwhelm us.
In order to stop dangerous climate change we may be forced to construct giant solar shades and cover great swathes of land with artificial trees that suck up carbon dioxide.
The Massachusetts Institute of Technology has long been known worldwide for its engineering programs, and a symposium at MIT this week will draw scientists from around the globe to focus on a hot facet of the field -- climate engineering.
The ice and snow that cap majestic Mount Kilimanjaro in Tanzania are vanishing before our eyes.
Coral reefs around the world are worth a staggering $172 billion dollars a year to the global economy. But the wealth of the oceans' reefs, and their amazing monetary value, is on the verge of being destroyed.
Midway Atoll, a small stretch of sand and coral in the middle of the north Pacific, is home to one of the world's largest populations of Laysan Albatrosses.
If you harbor a bit of angst over Facebook friend requests gone unanswered, a surprise "defriending" or being deserted by your Twitter followers, you're not alone.
If you harbor a bit of angst over Facebook friend requests gone unanswered, a surprise "defriending" or being deserted by your Twitter followers, you're not alone.
Making a set of subway stairs into a piano and a bottle bank into an arcade game; just two ingenious ways to get people to take time to do the right thing and have fun.
The next time you see a motorist obliviously straddling two lanes, don't fault bad driving, but genetics.
Silent Sound completed her voyage through the Canadian Arctic on October 10, four months and four days after slipping her moorings in Victoria, British Columbia.
Hidden under a quaint resort 60 miles northeast of Fairbanks, Alaska, lies a treasure trove of potential energy that's free and available 24/7.
The smile never came off of my face as we heard who placed third, second, and first in the 2009 Solar Decathlon.
Thirty-two planets have been discovered outside Earth's solar system through the use of a high-precision instrument installed at a Chilean telescope, an international team announced Monday.
A university team from Germany has won the U.S. Energy Department's Solar Decathlon for the second competition in a row, officials declared Friday. In second place was Team Illinois, and third place went to Team California.
For two weeks the National Mall in Washington D.C. has been transformed into a boulevard of homes of the future.
Scientists say a very rare find of some 20 fossilized pterodactyls has produced the first clear evidence of a controversial theory of evolution.
Like a lot of people, Anna Owens began using MySpace more than four years ago to keep in touch with friends who weren't in college.
Pliny Fisk III has been called a "mad scientist," a "dreamer" and a "visionary." His favorite word to describe the architectural work he does is "crazy."
"The Earth is just too small," sighed South African adventurer Mike Horn, one of the few people on the planet who can get away with saying such a statement.
NASA plans to launch next week the first of 17 planned flights to study changes in Antarctic ice and collect data that may help scientists better predict the consequences of those changes, officials said Thursday.
The oldest-known hominid skeleton was a 4-foot-tall female who walked upright more than 4 million years ago and offers new clues to how humans may have evolved, scientists say.
The glaciers in the Himalayas are receding quicker than those in other parts of the world and could disappear altogether by 2035 according to the 2007 Intergovernmental Panel on Climate Change (IPCC) report.
It's taken 11 years, thousands of miles and a few fistfuls of dollars for Josh Tickell to complete his film. But when you've devoted your life to a cause as important as helping save the planet, it's a small price to pay.
The last 50 years have borne witness to a spate of climate-related disasters across the world causing over 800,000 fatalities and $1 trillion in economic losses.
A frog that eats birds and a gecko with leopard stripes are among the 163 new species discovered last year in the Greater Mekong region of southeast Asia, according to a report by the World Wildlife Fund.
On Tuesday, more than 100 world leaders gathered at the United Nations for a climate summit. They were called together by U.N. Secretary-General Ban Ki-moon to build momentum for the U.N. climate talks in Copenhagen, Denmark, this December.
A small part that tells computers on some highly-automated Airbus aircraft how fast the plane is flying became a concern again Wednesday.
Much of Atlanta is underwater. Highways and neighborhoods have been submerged. Creeks are swollen. Several are dead.
The world's tropical forests are disappearing, and one reason is simple economics: People, companies and governments earn more by logging, mining or farming places such as the Amazon jungle than by conserving them.
My taxi driver is telling me about his meal last night. His name is William. He ate whale.
There are several definitions of where the Northwest Passage begins and ends, but using the Arctic Circle is certainly the most encompassing, so we've been holding our breath until we crossed this line.
Much has been made of the problem of livestock emissions of methane -- a far more potent greenhouse gas than CO2 -- but a solution might be just around the corner.
A pint-sized version of the Tyrannosaurus rex, with similarly powerful legs, razor-sharp teeth and tiny arms, roamed China some 125 million years ago, said scientists who remain startled by the discovery.
Fossilized bones of a saber-toothed cat and dinosaurs that may be 100 million years old are among "priceless" artifacts that the United States handed over to China in a ceremony Monday.
"The Last Beekeeper" will change the way you see honeybees.
There are many reasons why Roz Savage is an extraordinary woman -- she has rowed single-handed across the Atlantic and is now tackling the Pacific, after all.
When the chips are down, the world may one day owe a debt of gratitude to a group of potato farmers high up in the mountains of Peru.
Arctic temperatures in the 1990s reached their warmest level of any decade in at least 2,000 years, new research indicates.
Jean Paul Libert knows motor sport.
Hurricane experts are throwing cold water on an idea backed by billionaire Microsoft founder Bill Gates aimed at controlling the weather.
Schools of robotic fish could one day map the ocean floor, detect pollution or inspect and survey submerged boats or oil and gas pipelines, researchers at the Massachusetts Institute of Technology say.
The world has a new alliance to save vanishing frogs, toads and salamanders.
Climate change has taken a short break in the Arctic this summer, leaving Silent Sound to sail through some heavy ice as we steer her for home before winter sets in.
Three years ago many would have dismissed the notion that a significant supply of the world's automotive fuel could come from algae. But today the idea, while still an adventurous one, is getting much harder to ignore.
Ancient man may have started global warming through massive deforestation and burning that could have permanently altered the Earth's climate, according to a new study by researchers at the University of Virginia and the University of Maryland-Baltimore County.
You're probably not thinking about what you would like for Christmas yet. But ask any environmentalist for their ideal gift and you'll get a version of this answer: a binding agreement at the UN Climate Change Conference in Copenhagen this December that is strong enough to match the science.
A new study shows capuchin monkeys prefer humans whose behavior mimics theirs, a trait they share with humans, scientists say.
The world's population is forecast to hit 7 billion in 2011, the vast majority of its growth coming in developing and, in many cases, the poorest nations, a report released Wednesday said.
We asked you what you thought about in-vitro meat, and hundreds of you replied. Read a selection of your comments, below, or visit the main page to read the full article, all your comments and watch the report.
You're sitting in an airport lounge and seize the chance to check your e-mails before your flight departs. You log on and are tempted by a wireless Internet provider offering free Internet access. So, do you take it?
Over 350 new species including the world's smallest deer, a "flying frog" and a 100 million-year old gecko have been discovered in the Eastern Himalayas, a biological treasure trove now threatened by climate change.
U.S. scientists monitoring shrinking glaciers in Washington and Alaska reported this week that a major meltdown is under way.
Clouds of black smoke from burning plastic hang over the sites of Nigeria's vast dumps, as tiny figures pick their way through slicks of oily water, past cracked PC monitors and television screens.
It is a problem of massive plastic proportions -- a giant floating debris field, composed mostly of bits and pieces of plastic, in the northwest Pacific Ocean, about a thousand miles off the coast of California.
Meat is murder? Well, perhaps not for much longer.
Aircraft manufacturer Airbus is ready to fund a third search of the Atlantic Ocean if a second search, now under way, fails to find debris from last month's Air France crash, the company said Friday.
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