25 August 2014, 06:53 PM ET
NASA shared satellite photos of 10 U.S. national parks in honor of the National Park Service's 98th anniversary.
25 August 2014, 02:43 PM ET
On Aug. 24, 2014, a 6.0-magnitude earthquake hit the Bay area, near Napa, California. The quake caused more than 170 injuries, and damaged buildings and homes in the region.
25 August 2014, 02:06 PM ET
Every day, 6.6 million gallons of tar-sands mining waste head to huge ponds in Canada — and yet no one has a good handle on how well those ponds are contained.
25 August 2014, 01:44 PM ET
NASA's Earth Observatory released a photo of a giant supercell thunderstorm that formed over North Carolina in May.
25 August 2014, 01:34 PM ET
Buried under hundreds of feet of ice, Iceland's Bardarbunga volcano has been shaking for more than a week now, but an eruption has yet to occur.
25 August 2014, 01:05 PM ET
Human activity underground is permanently changing the Earth, and some geologists see it as more evidence the planet has entered a new epoch called the Anthropocene.
25 August 2014, 12:09 PM ET
A strong, magnitude-6 earthquake in Northern California occurred Sunday on the West Napa Fault. The shaker highlights how both high-tech instruments and old-fashioned groundwork remain important in identifying an earthquake's source.
25 August 2014, 08:58 AM ET
Will sequoias still be around as California's climate shifts under the influence of global warming?
24 August 2014, 02:19 PM ET
A major earthquake has struck Northern California's Bay Area, injuring dozens and causing widespread damage and power outages.
24 August 2014, 01:00 PM ET
Hundreds of methane gas plumes bubbling up from the seabed were spotted during an extensive seafloor survey along the U.S. Atlantic Coast.
23 August 2014, 01:25 PM ET
One week after an earthquake swarm first warned of approaching magma, a volcanic eruption has started near Iceland's Barðarbunga volcano.
22 August 2014, 06:00 PM ET
Years of forest management saved hundreds of Arizona homes from disaster this year.
22 August 2014, 04:53 PM ET
Map shows notable features and facts about Antarctica.
22 August 2014, 03:04 PM ET
Arctic sea ice is melting fast, having lost about 1 million square miles since the 1970s, but experts are still figuring out what factors, such as cloud cover, are speeding or slowing the ice's demise.
22 August 2014, 12:25 PM ET
As the ice-covered Barðarbunga volcano continues to rumble, Icelandic officials are scanning glaciers for signs of an eruption.
22 August 2014, 10:52 AM ET
Renowned scientist and conservationist Patricia Wright battles to save one of the world’s most endangered primates.
22 August 2014, 10:39 AM ET
The National Park Service is celebrating its 98th anniversary on Monday (Aug.25) by waiving all national park entrance fees.
22 August 2014, 10:03 AM ET
NASA's Arctic Radiation IceBridge Sea and Ice Experiment (ARISE) was given less than 7 months to plan and equip a C-130 aircraft for flight in August 2014. This process usually takes over a year.
21 August 2014, 04:45 PM ET
At the bottom of the ocean, a network of underwater microphones eavesdrops day in and day out on the squeaky laments of whales, the rumbles of earthquakes and the drone of passing ships.
21 August 2014, 02:03 PM ET
The western United States has suffered a crippling drought for the past three years, but researchers now have a fuller picture of the extent of damage, thanks to a new way to measure how much water has been lost.
21 August 2014, 02:01 PM ET
A new study suggests a natural climate cycle in the North Atlantic gobbled Earth's extra heat, putting global warming on pause.
21 August 2014, 02:00 PM ET
When looking for a place to settle down, young corals and fish use chemical cues to sniff out bad neighborhoods littered with seaweed.
21 August 2014, 01:57 PM ET
Gobs of microscopic organisms called algae may have met their match in viruses that can invade their cells, ultimately leading to death, new research suggests.
21 August 2014, 01:15 PM ET
The Earth-orbiting Suomi NPP satellite has spit out some breathtaking shots of humanity's home planet, including one of the Eastern Hemisphere released yesterday that shows swirls of clouds above a blue, green and brown orb.
21 August 2014, 11:58 AM ET
Since 1970, cities have been warming, and have been getting hotter far faster than adjacent rural areas
21 August 2014, 10:51 AM ET
Environmental activist Hilton Kelley tours his childhood home in Port Arthur, Texas now abandoned due to toxic chemicals from refineries at the terminus of the proposed Keystone XL Pipeline.
20 August 2014, 03:52 PM ET
The waiting and watching continues in Iceland, where Barðarbunga volcano still shows no signs of erupting.
20 August 2014, 01:00 PM ET
Lake Whillans teems with nearly 4,000 species of microbes, forming a rich ecosystem that lives underneath Antarctica's ice sheet.
20 August 2014, 12:54 PM ET
Boring through ½ mile rock-hard Antarctic ice, researchers discover a completely isolated community of microorganisms living in Subglacial Lake Whillans. The finding could be an analog for subsurface life on Mars, Europa, Enceladus and other worlds.
20 August 2014, 10:51 AM ET
They might not have feather dusters, brooms or even arms and legs, but bivalves — such as clams, mussels and oysters — make good underwater maids, a new study suggests.
19 August 2014, 12:02 PM ET
Pint-size pikas survived Oregon's Dollar Lake fire, providing new insight into their resiliency to environmental change.
19 August 2014, 12:38 AM ET
As glaciers fade and trees struggle with disease infestations, Montana is struggling to come to terms with climate change.