06 February 2014, 11:37 AM ET
An atmospheric river is dumping much-needed rains in California, with the bone-dry northern and central regions of the state getting the brunt of the winter storms.
06 February 2014, 10:20 AM ET
France became the latest country to destroy its stockpile of confiscated ivory, with three tons of it turned to dust during a ceremony in Paris today. The ivory crush follows similar moves by the United States, the Philippines, China and Gabon.
06 February 2014, 07:24 AM ET
Researchers think they've finally solved the mystery of the Atacama Desert's massive nitrate deposits, known as white gold.
05 February 2014, 07:00 PM ET
With arguments about health benefits of organic foods inconclusive, one might ask what reasons there are to pay the organic premium.
05 February 2014, 07:00 PM ET
The fisherman who washed up on the Marshall Islands last weekend was very lucky to have stranded on a remote beach there.
05 February 2014, 07:00 PM ET
How can India fight its choking smog?
05 February 2014, 06:35 PM ET
Satellites circling Earth have snapped stunning views of the sprawling sporting venues and slopes that will host the world's best athletes next week when the 2014 Winter Olympic Games begin in Sochi.
05 February 2014, 05:28 PM ET
Few people worry about salt's provenance, since the mineral is usually in plentiful supply. But that changed this week, as the northeastern United States got walloped with another heavy winter snowfall, and stocks of road salt hit dangerously low levels.
05 February 2014, 05:09 PM ET
"Dynamic Earth" is the video winner of the 2013 International Science and Engineering Visualization Challenge, jointly sponsored by the National Science Foundation and the journal Science.
05 February 2014, 04:54 PM ET
Geology and climate are large factors in the monopoly that the Northern Hemisphere has had on the Winter Olympics since they were first held in 1924.
05 February 2014, 02:52 PM ET
To give park rangers in Africa an upper hand in the fight against poachers, conservationists are bringing drones to the places where vulnerable elephants and rhinoceroses roam.
05 February 2014, 02:45 PM ET
Increasing air pollution is threatening the health of those living in the Indian city of New Delhi.
05 February 2014, 01:51 PM ET
Early farmers boosted Earth's temperature by 1.6 degrees Fahrenheit (0.9 degrees Celsius) in the past 8,000 years, a new study suggests.
05 February 2014, 12:15 PM ET
The debate between creationists and evolutionists has been going on since Charles Darwin's day. Here's how the debate has evolved.
05 February 2014, 10:05 AM ET
This stunning wallpaper shows Rocky Mountain National Park in Colorado. The Park’s 415 square miles encompass and protect spectacular mountain environments, including subalpine and alpine Trail Ridge Road, and more than 300 miles of hiking trails.
05 February 2014, 10:04 AM ET
A cold-water coral that thrives in deep, dark water has been found growing offshore Greenland as a reef for the first time.
05 February 2014, 09:42 AM ET
Environmental officials in Namibia are working with the World Wildlife Fund to fly drones over the country's national parks to spot poachers and monitor threatened animals, like elephants and rhinos.
04 February 2014, 05:48 PM ET
The debate between creationists and evolutionists has been going on since Charles Darwin's day. Here are some of the major U.S. milestones.
04 February 2014, 03:51 PM ET
Bill Nye the Science Guy is set to defend evolution tonight (Feb. 4) in a debate with the founder of Kentucky's Creation Museum, Ken Ham.
04 February 2014, 03:23 PM ET
This year may be the perfect time for Sochi to host the Winter Olympics, as new research suggests that by the middle of this century, the Russian town could be too warm to support many cold-weather sports.
04 February 2014, 02:26 PM ET
Chart shows average high and low temperatures of Olympics sites since 1924.
04 February 2014, 01:50 PM ET
Since 1950, Alaska's Arctic lakes freeze later and thaw earlier, leaving them vulnerable to water loss from evaporation and possibly adding to local warming.
04 February 2014, 01:32 PM ET
Hawaii's Kilauea volcano conceals a surprisingly deep magma chamber beneath its East Rift Zone.
04 February 2014, 12:42 PM ET
Archaeologists are set to excavate the Indian Ocean's oldest known shipwreck. The recently discovered sunken vessel lies 110 feet below the surface off the coast of Sri Lanka.
04 February 2014, 12:16 PM ET
For the first time in five years, intrepid visitors to the Apostle Islands National Lakeshore can make the icy trek along the frozen waters of Lake Superior to glimpse the millions of icicles that embellish the region's incredible ice caves.
04 February 2014, 10:59 AM ET
Eric Sanderson and his team at the Wildlife Conservation Society received a large grant from the Rockefeller Foundation to create Mannahatta 2409, an interactive map of New York City that lets users change the city and its impact on the environment.
04 February 2014, 07:34 AM ET
Here's a look at the hosting city of the Winter Olympic Games 2014, including the ski resort, the Caucasus mountains and ice dome where highly skilled athletes will compete for gold.
03 February 2014, 05:01 PM ET
An amazing landscape left behind by melting ice sheets offers clues to the future of Greenland's disappearing glaciers, a new study suggests.
03 February 2014, 04:41 PM ET
Since Sochi was selected as the Olympic host city, the peaks of the nearby Caucasus Mountains have been intensely studied by scientists because the region is home to some of the deadliest avalanches in recent history.
03 February 2014, 03:26 PM ET
Ecuador's Tungurahua volcano exploded into life this weekend, blasting three times in an hour on Saturday and sending Chacauco into total darkness.
03 February 2014, 01:51 PM ET
The Southwest's small population of endangered Mexican wolves, once driven to the brink of extinction, has increased for the fourth year in a row, according to the U.S. Fish and Wildlife Service.
03 February 2014, 01:20 PM ET
Deep in the Sahara Desert, the Al Jawf oasis in southeastern Libya is pictured in this space wallpaper from Japan’s ALOS satellite.