22 September 2014, 09:31 AM ET
The People's Climate March in New York yesterday (Sept. 21) was organized to bring awareness to the issues caused by climate change in anticipation of the UN Climate Summit.
22 September 2014, 07:34 AM ET
A new study pinpoints when and how the moqui marbles formed. These geological oddities are iron concretions found throughout Utah and Arizona.
21 September 2014, 01:00 PM ET
Geologists say well water spikes in sodium and hydrogen warned of mounting strain before two Iceland earthquakes. The results may someday lead to earthquake prediction.
21 September 2014, 01:00 PM ET
Concentrations of carbon dioxide, a greenhouse gas, will surge to a new high in the atmosphere in 2014.
20 September 2014, 10:17 AM ET
On Monday (Sept. 22), the Earth will have nearly equal amounts of light and darkness as summer ends and fall begins.
19 September 2014, 07:31 AM ET
The busiest part of tornado season is happening up to two weeks earlier than it did 55 years ago, reports a new study on Tornado Alley, located in the heart of the central and southern U.S. Great Plains.
19 September 2014, 12:14 AM ET
With the harm that oil and gas drilling will cause along the U.S. East Coast, alternatives, like building wind turbines, would make more sense.
18 September 2014, 02:35 PM ET
Six centuries of tree-ring data have shown that coastal upwelling along the west coast of North America has become highly variable in the last half century.
18 September 2014, 11:03 AM ET
Three NASA science missions traveled the Alaskan way in summer 2014, soaring above Arctic sea ice, piloting over permafrost and gliding past mountain glaciers.
18 September 2014, 10:16 AM ET
Unusual westward drifts recorded off Japan's coast following the 2011 Tohoku earthquake provide a new picture of how the Earth adjusts after giant earthquakes.
18 September 2014, 12:34 AM ET
Which is more expensive: fighting fires, or preventing them?
17 September 2014, 11:42 PM ET
Mycologists – scientists who study fungi – estimate there are up to five million species of fungi on Earth. Of these, only about 2 percent, or 100,000 species, have been formally described. So where are the other 98 percent of fungi hiding?
17 September 2014, 05:04 PM ET
One U.S. government agency is taking the drone craze to a whole new level. NOAA just launched a drone directly into a hurricane.
17 September 2014, 01:26 PM ET
For an unprecedented third year in a row, Antarctica's sea ice is poised to smash a new winter record, but Arctic summer sea ice hit its sixth lowest minimum.
17 September 2014, 01:01 PM ET
Continents move, but what got them going? A new computer model shows it was gravity. Whole continents flattened out under their own weight.
17 September 2014, 09:38 AM ET
There are about 300 shipwrecks in the gulf just west of San Francisco. Scientists have seen few of these sunken hulls, but now the National Oceanic and Atmospheric Administration (NOAA) is embarking on a two-year project to document these lost vessels.
17 September 2014, 07:02 AM ET
Researchers have discovered the sites of three wrecks off the coast of San Francisco: the 1910 SS Selja shipwreck, an unidentified early steam tugboat wreck and the 1863 wreck of the clipper ship Noonday.
16 September 2014, 05:53 PM ET
On the Big Island of Hawaii, one of the world's most active volcanoes has been spewing lava since 1983.
16 September 2014, 02:00 PM ET
Harsh conditions after the dino-killing meteor impact favored fast-growing plants, nudging forests toward a new pecking order
16 September 2014, 11:47 AM ET
A group of marine archaeologists kicked off a mission this week to explore an ancient shipwreck hundreds of feet below the Aegean Sea — not with a sub, but with a semi-robotic metal diving suit that looks likes a throwback to a James Bond movie.
15 September 2014, 06:09 PM ET
A dramatic increase in earthquakes in New Mexico and Colorado was triggered by wastewater injection wells.
15 September 2014, 02:06 PM ET
Hurricane Odile hit the Mexican resort city of Cabo San Lucas Sunday night, tying the record for the strongest hurricane ever recorded on the Baja Peninsula.
15 September 2014, 12:51 PM ET
The category-3 hurricane crashes into Mexico's Baja Peninsula in this time-lapse video from the NOAA GOES-15 weather satellite.
15 September 2014, 12:01 PM ET
New research makes a direct link between Pennsylvania's tainted drinking water and leaky fracking wells in the Marcellus Shale.
15 September 2014, 11:16 AM ET
The powerful Hurricane Odile made landfall on the southern end of Mexico's Baja California peninsula near Cabo San Lucas Sunday night. Earlier video showed trees swaying in the storm's powerful winds. (Sept. 15)
15 September 2014, 09:28 AM ET
Now you can explore Egypt's archaeological wonders on Google Street View.
15 September 2014, 07:36 AM ET
A powerful earthquake of magnitude 7 or greater may be building up along a now-quiet fault on the coast of Istanbul, a new study finds.
13 September 2014, 02:30 PM ET
The solar storms currently affecting Earth have created stunning northern lights displays for skywatchers.
13 September 2014, 12:03 PM ET
Chad Blakley (http://lightsoverlapland.com) captured a vibrant display of Northern Lights over Abisko National Park in Sweden on Sept. 12, 2014. They were generated by a KP-7 geomagnetic storm that hit Earth as a result of two coronal mass ejections.
12 September 2014, 03:28 PM ET
Good news for shark lovers: This weekend, new international laws will go into effect to strengthen protections for five shark species that are threatened by overfishing.
12 September 2014, 02:41 PM ET
An earthquake that rattled remote parts of Alaska and northwestern Canada in July triggered an avalanche that spilled mounds of snow down a steep mountainside.
12 September 2014, 01:15 PM ET
The spectacular 2002 collapse of Antarctica's Larsen B ice shelf was caused by surface melting.
12 September 2014, 07:03 AM ET
Two powerful solar storms arriving at Earth today have captured the public's attention for their potential to spark amazing auroras, but scientists say there's another reason to watch. The solar one-two punch is actually somewhat rare.
12 September 2014, 12:24 AM ET
We are in the middle of one of the biggest experiments in human history. At its core is the homogenisation of global food systems, which increasingly must deliver the same products to an expanding population (in all senses) across the world.
11 September 2014, 06:02 PM ET
The sun launched back-to-back solar flares directly at Earth this week, but the geomagnetic storms pose little danger, officials said.
11 September 2014, 05:17 PM ET
The Aug. 24 Napa earthquake woke several small, previously unrecognized Napa Valley faults, according to the first results from a high-flying NASA radar instrument.