30 January 2015, 01:35 PM ET
Layer by layer, scientists have filled in the hidden expanse of Greenland's vast ice sheet, revealing where the island hides its oldest ice.
30 January 2015, 12:50 PM ET
Seven thousand year-old rock paintings in the Sahara desert have, somewhat serendipitously, helped uncover evidence of ancient lake beds.
29 January 2015, 07:49 PM ET
Threats are starting to derail climate research, just when the planet needs it most.
29 January 2015, 02:00 PM ET
The general public and scientists disagree on a wide range of scientific topics, from the safety of genetically modified foods to the cause of climate change.
28 January 2015, 02:23 PM ET
We can reverse the planet's warming, but not with a "wait and see" approach.
27 January 2015, 10:17 AM ET
Norway's Austfonna ice cap is shrinking faster than 20 years ago, especially in the region where the ice meets the sea.
26 January 2015, 05:04 PM ET
A warming world could mean interesting changes for major snowstorms, like the nor'easter this week.
26 January 2015, 02:21 PM ET
The weird weather phenomenon known as La Niña could occur nearly twice as often in the future as it does now, due to global warming, researchers say in a new study.
24 January 2015, 06:23 PM ET
Caroline Farrior uses math to understand the old plants play in the global carbon cycle so scientists will be able to predict the path of climate change.
22 January 2015, 01:25 PM ET
Frustrated with a lack of international action to address climate change and shrink nuclear arsenals, The Bulletin of the Atomic Scientists decided to push the minute hand of its iconic Doomsday Clock to 11:57.
21 January 2015, 05:12 PM ET
The discovery of two lakes hidden beneath the Greenland ice suggests that climate change cuts to the bottom of the ice sheet.
21 January 2015, 01:41 PM ET
"It’s a result of human-induced global warming,” says NASA Goddard Space Flight Center's Steven Pawson referring to recently released data. Pawson notes how the cold East Coast winter and El Nino event had little effect on the rising temps.
21 January 2015, 12:38 PM ET
The ominous hands of the Doomsday Clock have been fixed at 5 minutes to midnight for the past three years. But they could move tomorrow.
21 January 2015, 11:55 AM ET
Melting glaciers pose another threat beyond sea level rise. They will dump massive amounts of organic carbon into the world's oceans, altering ecosystems.
16 January 2015, 11:24 AM ET
Believed to be caused by increasing human contribution of carbon dioxide and heat-trapping gases, the steady increase in average temperatures peaked yet again in 2014. Since 2000, the record for warmest year has been broken 10 times.
16 January 2015, 11:10 AM ET
Global temperatures in 2014 shattered earlier records, making 2014 the hottest year since 1880.
16 January 2015, 12:42 AM ET
Today (Jan. 16), climate scientists are expected to announce that global temperatures in 2014 shattered earlier records, making 2014 the hottest year since 1880.
13 January 2015, 07:44 PM ET
Atmospheric CO2 levels have already passed the 400 ppm mark in 2015, and it's only January.
13 January 2015, 03:07 AM ET
How much carbon is being released from the warming Arctic tundra?
13 January 2015, 02:33 AM ET
Scientists are racing against climate change to determine the impact of thawing Arctic soils and the carbon released during that process.
09 January 2015, 08:03 AM ET
The Soil Moisture Active Passive satellite, planned to launch on Jan. 29, will improve drought tracking in the United States and around the world.
06 January 2015, 06:38 PM ET
Lake Erie's double ecological disasters may share a common ultimate cause, but they form under different conditions, a new study finds.
05 January 2015, 09:02 PM ET
The Japanese Meteorological Agency has released data showing 2014 was the globe's hottest year.
30 December 2014, 06:14 PM ET
A look at five places that will help push 2014 into the global warming record books.
30 December 2014, 10:25 AM ET
Droughts in California may cause not only water shortages, but also conditions ripe for dangerous forest fires, landslides and poor water quality.
29 December 2014, 01:59 PM ET
The melting of Earth's polar ice came into starker relief in 2014, with real implications for sea level rise.
22 December 2014, 06:57 AM ET
The "atmospheric rivers" that can bring torrential rains to Northern California will double in frequency by the year 2100 because of climate change, researchers say.
22 December 2014, 06:55 AM ET
Greenland's disappearing ice shifted gears in the past decade, switching from shrinking glaciers to surface melting, researchers reported at the American Geophysical Union's annual meeting.
20 December 2014, 12:01 PM ET
Ice melt in Greenland, disappearing reindeer and boulder-moving storms are just a few of the cool images this week.
18 December 2014, 04:57 PM ET
NASA scientists unveiled the first data sets from the Orbiting Carbon Observatory-2, or OCO-2.
18 December 2014, 11:48 AM ET
The permafrost in most of Alaska's national parks could disappear by the year 2100, new research suggests.
17 December 2014, 11:15 PM ET
The consequences of global warming are expected to be far-reaching, long-lasting and, in many cases, devastating.
17 December 2014, 06:05 PM ET
New York City and its power grid is among the cities most sensitive to increasing hurricane intensity.
17 December 2014, 04:38 PM ET
Bad news for polar bears: the Arctic is still warming at twice the pace as the rest of the planet, according to a new federal report.
17 December 2014, 03:12 PM ET
A remote-controlled underwater robot has collected the most detailed information yet about the underbelly of stable Arctic sea ice.
17 December 2014, 09:28 AM ET
Life didn't immediately rebound after the world's greatest extinction, but cropped up in fits and starts.