19 May 2014, 06:09 PM ET
Storm chasers captured stunning footage of a supercell, or rotating thunderstorm, churning above northeastern Wyoming over the weekend.
19 May 2014, 05:45 PM ET
The Bay Area could face a cluster of deadly earthquakes that delivers a series of rapid knockout punches.
19 May 2014, 04:45 PM ET
Government, business and science are teaming up to fight one of the biggest threats to modern civilization. No, it's not terrorism or climate change - it's a fungus known as coffee rust that's attacking coffee crops worldwide.
19 May 2014, 03:00 PM ET
Ash kicked Greenland's annual summer melt into overdrive in summer 2012. Without the boost from forest fire ash, warm summer temperatures couldn't have melted Greenland's surface ice in 2012.
19 May 2014, 02:17 PM ET
The below sea-level canyons beneath the ocean-feeding glacier cut further inland than previously estimates. Accelerated ice loss of the glacier was thought to be limited, but this finding calls into question its duration.
19 May 2014, 12:25 PM ET
The May 20, 2013, tornado has the people of Moore working to restore what was demolished, and this time the city is rebuilding stronger.
19 May 2014, 12:15 PM ET
After several days of abnormally cool weather, warmer and more humid air will settle over the Midwest early this week and fuel thunderstorms.
19 May 2014, 11:59 AM ET
While the week will start with a high fire danger across the southern High Plains, days of welcome rainfall are on the horizon.
19 May 2014, 10:57 AM ET
In the winter of 1997-1998, severe weather events were recorded across the continental U.S.. For month leading in the winter, warm (El Niño) conditions persisted in the Pacific Ocean. NASA's Jason-2 satellite is monitoring in 2014.
18 May 2014, 01:00 PM ET
The decline of Greenland's glaciers could be more spectacular than predicted, because its valleys run longer and deeper than ever thought.
16 May 2014, 07:57 PM ET
The massive Wai'anae volcano that outlines half of Oahu is actually two volcanoes, not one. The discovery means Oahu once towered above the ocean with three volcanic peaks.
16 May 2014, 03:34 PM ET
California's wildfires have spawned a number of dramatic fire whirls, also known as fire devils, fire tornadoes or "firenadoes." What is a fire tornado, and how dangerous are they?
16 May 2014, 01:04 PM ET
"We are a coastal country," says National Climate Assessment's Coasts chapter's Susanne C. Moser, with 94,000 miles of coastline and more than $1 trillion in coastal infrastructure and all are increasingly vulnerable.
16 May 2014, 11:42 AM ET
Scientists found a lost shipping container nearly 4,200 feet (1,300 meters) below the surface of their ocean and turned their chance discovery into an opportunity to study how aquatic life reacts to deep-sea pollution.
16 May 2014, 08:42 AM ET
A satellite image of Namibia shows spring flooding on the Zambezi River. The flood waters appear black against the bright green of the vegetation.
16 May 2014, 07:23 AM ET
Antarctica is rising much faster than expected, revealing that the hot rock of the mantle hundreds of miles below the icy continent is flowing much faster than expected, and so rebounding quickly to the loss of glacial ice, researchers say.
15 May 2014, 08:23 PM ET
Coral reefs are an amazingly effective first line of defense for coastal communities.
15 May 2014, 03:33 PM ET
Smoke from wildfires raging in Southern California can be seen from space. NASA's Earth-watching Aqua satellite captured this image Wednesday (May 14) showing sandy-colored plumes stretching out over the Pacific Ocean from San Diego County.
15 May 2014, 02:47 PM ET
"The story in the Southwest is the story of water." says National Climate Assessment Southwest chapter's Gregg Garfin. Reduced agricultural yields, health impacts in cities due to heat, and flooding in coastal areas are additional concerns
15 May 2014, 02:00 PM ET
Big earthquakes in Chile and Japan reveal that migrating series of small earthquakes could signal coming events, providing a means of earthquake prediction.
15 May 2014, 10:47 AM ET
In a chance discovery, scientists found the first images of a dead whale shark and three dead rays on the bottom of the Atlantic Ocean. Though "fish falls" are common, it's very rare for scientists to find these sunken carcasses.
15 May 2014, 10:19 AM ET
More than 10,000 gallons of crude oil is gushing into the streets of a Los Angeles neighborhood, after a pipeline ruptured early this morning.
15 May 2014, 08:45 AM ET
Satellite images and ocean sensors suggest an El Nino, triggered by a warming in the equatorial Pacific, may be developing, the likes of the powerful 1997 event that caused extreme weather around the globe.
14 May 2014, 04:06 PM ET
According to the National Climate Assessment, oceans currently absorb about a quarter of human-caused carbon dioxide emissions to the atmosphere, leading to ocean acidification that will alter marine ecosystems in dramatic yet uncertain ways.
14 May 2014, 02:26 PM ET
One of California's worst environmental disasters can literally move mountains and may even cause earthquakes.
14 May 2014, 01:00 PM ET
Hurricanes and typhoons are migrating from the tropics toward the poles, a new study finds.
14 May 2014, 12:26 PM ET
In 2011, many places in Texas and Oklahoma recorded more than 100 days over 100 degrees. Heat and drought contributed to more than $10 billion in agricultural losses alone. "Communities are drying up", Texas rancher Kevin Igo says.
14 May 2014, 11:50 AM ET
Following a season with the fewest number of hurricanes since 1982, the 2014 Atlantic hurricane season is expected to follow suit as a below-normal hurricane season.
14 May 2014, 11:38 AM ET
According to the 2014 National Climate Assessment, higher average temperatures are drying out forests fuels, increasing the vulnerability of western forests to more wildfire. "Climate change is very real," Elk Creek, CO Fire Chief McLaughlin says.
13 May 2014, 05:07 PM ET
Live Science explains the reality behind some common misconceptions about big changes in Antarctica.
13 May 2014, 02:41 PM ET
The spring melt of Arctic sea ice is underway, but what summer's minimum will be is hard to predict.
13 May 2014, 01:35 PM ET
A new map shows that half of the United States is in drought. The most severe drought is in California, which is under a state of emergency, and in the Texas and Oklahoma panhandles.