Planet Earth Archive
24 November 2014, 11:01 AM ET
Antarctica's ice paradox has yet another puzzling layer. Not only is the amount of sea ice increasing each year, but an underwater robot now shows the ice is also much thicker than previously thought, a new study reports.
24 November 2014, 08:54 AM ET
Check out these stunning photos of natural sandstone arches in the American Southwest. These incredible geological formations are a reminder of the power and beauty of nature.
24 November 2014, 07:26 AM ET
A DNA test has confirmed that a lone gray wolf is roaming Arizona, just north of the Grand Canyon, far from its home in the Rockies.
22 November 2014, 11:48 PM ET
As the climate warms, snowstorms are growing more severe.
22 November 2014, 08:56 AM ET
Tuolumne Meadows's broad plain is an oddball in Yosemite's rugged landscape. Geologists say unusual fractures in the local granite explain the striking contrast.
21 November 2014, 02:20 PM ET
The crowded highways of Los Angeles just got a little greener, thanks to a new electric-vehicle program sponsored by the U.S. Air Force.
21 November 2014, 12:10 PM ET
The sun may be partly responsible for lightning strikes on Earth, and scientists think fluctuations in the sun's magnetic field could be used to predict lightning storms weeks in advance.
21 November 2014, 11:30 AM ET
Remains of an ancient settlement have been found on the bottom of the Aegean sea off the small island of Delos.
21 November 2014, 02:56 AM ET
We need to be wary as another major ash cloud could arrive at any time. In fact, the ash has barely settled from Alaska’s latest major eruption.
21 November 2014, 02:30 AM ET
2014 is even more likely to become the warmest year on record, with record cold years a thing of the past.
20 November 2014, 03:59 PM ET
Arctic storms could bury Buffalo under heaps of snow until Christmas and 2014 will still be the hottest year on Earth since 1880, climate scientists said today.
20 November 2014, 03:28 PM ET
Colliding crustal plates played a role in carving a steep river valley.
20 November 2014, 03:22 PM ET
Small volcanic eruptions account for part of the global warming slowdown since 2000, a new study reports.
20 November 2014, 02:01 PM ET
The Tsangpo Gorge in Tibet, one of the deepest canyons in the world, formed when tectonic forces pushed up the earth and steepened the path of a river that then caused massive erosion, a new study finds.
19 November 2014, 03:32 PM ET
The secret fountain of youth is frozen water mantling Antarctica's mighty Gamburtsev Mountains, which have kept their youthful appearance after 34 million years buried under ice.
18 November 2014, 05:18 PM ET
In a matter of days, perhaps hours, a rare corpse flower will bloom in upstate New York. True to its name, the plant is expected to unleash a stench like rotting flesh.
18 November 2014, 02:32 PM ET
A striking new video from NASA reveals how the greenhouse gas carbon dioxide spreads across Earth in a single year.
18 November 2014, 12:43 PM ET
A giant impact crater that formed in Ontario, Canada, nearly 1.8 billion years ago was formed by a rocky comet, new research suggests.
18 November 2014, 10:20 AM ET
The demand for global trade is driving a huge growth in cargo shipping in the world's oceans, with nearly four times as many ships at sea than in 1992.
17 November 2014, 01:24 PM ET
Pavlof volcano, one of Alaska's most active volcanoes, erupted for the second time this year on Saturday (Nov. 15).
14 November 2014, 09:53 PM ET
For the third month in a row, global temperatures were in record high territory according to NASA.
14 November 2014, 06:53 AM ET
If you're bored with all the vertebrates in your wildlife-cam media diet, the Monterey Bay Aquarium in California is now streaming mesmerizing live footage of its jellyfish.
13 November 2014, 05:48 PM ET
This was a warm October for the U.S. and the first month since July 2013 no state was cooler than normal.
13 November 2014, 04:18 PM ET
From the eruption that buried Pompeii in A.D. 79 to the superstorm that shut down New York City in 2012, natural disasters are an unavoidable part of life on Earth. Once thought to be the wrath of the gods, these formidable events now have widely accepted
13 November 2014, 04:17 PM ET
From earthquakes to volcanic eruptions to hurricanes, natural disasters reveal the fearsome power of Mother Nature. Scientists are studying these phenomena to better understand them and find better ways to predict and prepare for them.
13 November 2014, 02:00 PM ET
Expect a 50 percent increase in lightning strikes within the United States by 2100 if temperatures continue to rise due to greenhouse gas emissions.
13 November 2014, 01:37 PM ET
Researchers from UC Berkeley used data from the National Lightning Detection Network at SUNY-Albany to create a time-lapse of "cloud-to-ground" lightning strikes that occurred over 2 months in 2011.
13 November 2014, 12:56 PM ET
Citizen scientists already use their phones to report roadkill, light pollution and invasive plants, using free apps. In 2013, Dutch researchers went a step further, transforming smartphones into scientific instruments.
13 November 2014, 10:25 AM ET
The polar vortex isn't the only weather system to blame for your frozen fingertips.
13 November 2014, 07:02 AM ET
The United States and China surprised climate-policy watchers by announcing a rare accord to cut carbon pollution. Experts are hopeful that an agreement between the world's two biggest economies bodes well for a global climate pact.
11 November 2014, 10:10 PM ET
Droughts are one of the most damaging types of weather-related phenomena, but classifying them is difficult.