Planet Earth Archive
23 April 2014, 01:41 AM ET
The effects of a warming planet are now directly impacting the United States, says NRDC's Dan Lashof.
22 April 2014, 06:21 PM ET
As freshwater resources diminish, even wealthy nations like the United States are trying to figure out how to adapt.
22 April 2014, 05:27 PM ET
A cold spring in the Midwest and Southwest brought a quiet start to tornado season this year, with the fewest twisters since 1915.
22 April 2014, 05:08 PM ET
The coldest place on Earth is also one of the rare spots where a roiling lava lake offers a window into the heart of a volcano.
22 April 2014, 05:08 PM ET
The United States is not the only country that possesses the prime ingredients and topography to harness these often life-threatening storms.
22 April 2014, 04:54 PM ET
A large storm will form over the eastern half of the nation next week and will bring a swath of unsettled conditions for days.
22 April 2014, 03:00 PM ET
Between 2000 and 2013, 26 explosions ranging from 1-600 kilotons have been detected by the Nuclear Test Ban Treaty Organization's network of sensors. The bomb that decimated Hiroshima had an energy equivalent of 15 kilotons.
22 April 2014, 02:42 PM ET
It's worth noting that the term Sherpa does not actually mean "mountain guide," but instead refers to an ethnic community of some 154,000 members.
22 April 2014, 02:28 PM ET
The European Space Agency's Sentinel-1A satellite, launched April 3, has sent back its first images, including one of icebergs in Antarctica.
22 April 2014, 01:41 PM ET
In 2013 and 2014, areas around the globe have experienced record breaking temperatures over extended periods of time. This has led to a diminished water supply, thriving disease carrying insects and fire.
22 April 2014, 11:40 AM ET
Where did the Earth get all its water? What makes up the core of the planet? How did the moon get there? Those are just a few of Earth's biggest unsolved science mysteries.
22 April 2014, 10:07 AM ET
An expedition to the islands of Svalbard, Norway, to study how warming temperatures and melting sea ice are impacting Europe's westernmost polar bear population concluded on Monday (April 21).
22 April 2014, 04:59 AM ET
Research on Earth's biodiversity has advanced science and engineering innovation.
22 April 2014, 01:43 AM ET
For Earth Day, eight energy tips that are simple and save money.
21 April 2014, 07:03 PM ET
A snapshot from space of the Arkansas River near Little Rock, Ark., shows meander lakes left behind from the river's former path. Old riverbanks are also visible on the landscape.
21 April 2014, 03:09 PM ET
A creeping landslide threatening homes and businesses since early April in Jackson, Wyo., suddenly lurched Friday, tearing apart a house.
21 April 2014, 03:00 PM ET
Radioactive krypton could help researchers track down ancient air bubbles trapped in the world's oldest ice, filling a crucial gap in Earth's climate history.
21 April 2014, 12:34 PM ET
Cosmic rays hitting Earth can be trapped in ice, producing radioactive Krypton-81. Scientists have accurately dated a million year old sample through melting ancient ice, and passing the ancient air through an Atom Trap Trace Analyzer.
21 April 2014, 10:25 AM ET
Jackson, Wyoming is under siege from the very ground on which it rests. Initially moving only a few inches per day,  the landslide has damaged local homes and businesses. Now, it’s accelerating.
21 April 2014, 10:00 AM ET
Scientists have pinpointed the region where ancient farmers first cultivated Capsicum annuum, the most common kind of chili pepper.
21 April 2014, 08:51 AM ET
Mysteriously, most of the expected levels of xenon are missing from Earth's atmosphere. Now, researchers might have the answer: The noble gas, which usually doesn't bond with other atoms, may chemically react with iron and nickel in Earth's core.
18 April 2014, 05:07 PM ET
A massive chunk of ice broke loose and is now drifting away from Antarctica.
18 April 2014, 05:02 PM ET
Take a look at ratings for seven wild geoengineering ideas that could change the Earth's climate for better or for worse.
18 April 2014, 04:26 PM ET
A new orchid species has been discovered in Panama.
18 April 2014, 03:30 PM ET
Natural fluctuations have driven Earth's climate for millennia, but they are not the cause of modern warming.
18 April 2014, 03:07 PM ET
Across the West, wildfires grew bigger and more frequent in the past 30 years, according to a new study that blames climate change and drought for the worsening flames.
18 April 2014, 02:29 PM ET
Images: Lophiaris silverarum and other orchid species.
18 April 2014, 02:12 PM ET
New research into the height of a very remote Andean plateau reveals just the latest surprise from the Earth's second-greatest mountain belt.
18 April 2014, 12:54 PM ET
An essential nutrient for life on Earth also cooks up in space, a new study finds.
18 April 2014, 12:38 PM ET
Many Sherpas insist that Mount Everest and other slopes in the area have become more dangerous because of climate change.
18 April 2014, 12:36 PM ET
A think-tank associated with a cosmetics company has a plan to brighten the surface of the moon in an effort to lighten up the night sky and reducing the need for electricity to run street lights. Scientists are skeptical.
18 April 2014, 12:12 PM ET
“Ice island B31” is 200 feet thick and 21mi X 12mi. It separated from the Antarctic Pine Island Glacier in Nov. 2013. NASA's Terra and Aqua satellites have been imaging its progress towards open ocean.
18 April 2014, 11:28 AM ET
An earthquake of preliminary magnitude 7.5 struck today near southern Mexico's Pacific resort city of Acapulco, according to the U.S. Geological Survey (USGS).
18 April 2014, 09:08 AM ET
A monthlong underwater research mission led by the grandson of famed oceanographer Jacques Cousteau will begin on June 1. The so-called aquanauts will spend 30 days living and working in an underwater laboratory off the coast of Florida.
18 April 2014, 08:33 AM ET
How much do you know about one of the most destructive forces in nature?
17 April 2014, 05:42 PM ET
A new concrete repels water and could be close to maintenance-free.