16 July 2014, 07:21 AM ET
New radar imagery shows human impacts on Earth, including sprawling urban cities and rural landscapes.
15 July 2014, 01:06 AM ET
When it takes over ecosystems, this invader causes soils to surrender their carbon and release it as greenhouse gas.
12 July 2014, 11:11 AM ET
A stunning super moon, a mass of anchovies and African dust made our top picks for the best images in Science this week.
10 July 2014, 10:48 AM ET
A new snapshot of U.S. methane emissions in 2004 found 40 percent higher methane levels from livestock than had been estimated by the Environmental Protection Agency.
09 July 2014, 05:43 PM ET
Satellites could be a promising tool for tracking Arctic wildlife on the ground, a new study suggests.
09 July 2014, 11:35 AM ET
Models show summers are going to keep warming as emissions continue. See what this will warming feel like.
08 July 2014, 03:31 PM ET
: Two new mammal fossils, including a never-before-described hedgehog, are the first mammals found at an Eocene fossil site in British Columbia. The fossils help fill in a gap in a time period known mostly from fossils in the United States and the Arctic.
08 July 2014, 10:22 AM ET
Global cooling caused by some historic volcanic eruptions wasn't as extreme as climate scientists recently thought, according to newly revised ice core records from Antarctica.
02 July 2014, 05:27 PM ET
July 2012 is no longer the hottest month ever recorded in the United States. Here's why.
30 June 2014, 05:19 PM ET
California's rainfall year ended today, and though the final totals aren't yet official, the parched state will likely end up with one of its lowest rainfall years since the 1920s.
30 June 2014, 10:59 AM ET
As climate change melts sea ice, emperor penguin populations across Antarctica across Antarctica could drastically decline, with many of the colonies dropping by more than half by 2100, warn scientists.
26 June 2014, 02:00 PM ET
A dramatic slowdown in deep ocean currents matches a major reset in Earth's ice ages about 1 million years ago, new evidence from the South Atlantic seafloor suggests.
26 June 2014, 02:48 AM ET
You might have seen in recent news that climate change may increase the size of some sea turtle populations, by increasing the number of female turtles.
24 June 2014, 11:17 PM ET
A new report by the Risky Business Project quantifies the impacts of climate change on the U.S. economy.
23 June 2014, 04:29 PM ET
In the face of rising temperatures, emperor penguins in the Antarctic may be forced to find new breeding grounds instead of returning to the same spot to mate year after year, according to new research using satellite images of penguin poop.
23 June 2014, 02:35 PM ET
May was the warmest month ever measured on Earth since the 1880s, when cowboys battled in Wild West shootouts and the State of Liberty was built.
22 June 2014, 01:00 PM ET
Frightful floods, freezes and heat waves favor certain parts of the Northern Hemisphere, thanks to strong atmospheric currents that repeatedly steer extreme weather to the same places, a new study finds.
19 June 2014, 10:50 AM ET
A regional look at how summer temperatures have been steadily rising across the U.S. since 1970.
18 June 2014, 11:21 PM ET
Solving the global warming crisis doesn't require countless policy approaches — three should do.
16 June 2014, 05:48 PM ET
President Obama spoke out about climate change over the weekend, in a commencement speech delivered to new graduates at the University of California, Irvine.
14 June 2014, 08:43 AM ET
A long-necked sea monster, the cutest penguins and Lake Superior's icebergs are just a few of the awesome images we found in Science this week.
12 June 2014, 09:22 PM ET
NASA's Orbiting Carbon Observatory-2 (OCO-2) will collect hundreds of thousands of measurements each day as it flies over Earth.
12 June 2014, 05:48 PM ET
A new NASA spacecraft is about to embark on a 2-year mission to learn about how carbon dioxide — a heat-trapping gas driving climate change — cycles through the Earth's atmosphere.
12 June 2014, 09:37 AM ET
Since the last Ice Age, penguins have basked in warmer Antarctic climates because less ice makes it easier for the birds to breed and hunt for food, a new study reveals. But current climate change is happening too fast for their food supply to cope.
10 June 2014, 07:01 PM ET
As the glaciers melted about 15,000 years ago, warmer weather and ice-free conditions allowed king penguins to colonize the string of islands north of Antarctica, a new genetic study has found.
10 June 2014, 02:12 PM ET
Where are U.S. tornadoes most common? New maps of twisters by latitude and longitude show clearly.
10 June 2014, 12:45 PM ET
Despite booming adult populations, young lobster numbers are nearly half of what they were in 2007.
10 June 2014, 04:30 AM ET
Various explanations for why we don’t see aliens have been proposed but with every new discovery of a potentially habitable planet, the Fermi Paradox becomes increasingly mysterious.
07 June 2014, 02:37 AM ET
If people choose not to "believe" in a reality as documented as the Holocaust, should society be surprised that there is debate about the established facts of science?
07 June 2014, 01:16 AM ET
Is "fight or flight" the right response for a warming climate?
06 June 2014, 03:32 PM ET
A late fall warm spell in Australia extends a period of record warmth influenced by global warming.
06 June 2014, 02:32 PM ET
An amazing new video shows Arctic life from a polar bear's point of view.
05 June 2014, 07:25 PM ET
San Francisco-based company Carbon Lighthouse discusses how they take money-guzzling/power-hungry buildings and turn them into energy efficient/cost-saving structures.
02 June 2014, 04:43 PM ET
Even a weak El Niño could hike global temperatures to record levels this year and into 2015.
29 May 2014, 02:00 PM ET
One of the world's great coral reef regions protected fish from the ravages of climate change for the past 3 million years.
29 May 2014, 01:49 AM ET
Desmond Tutu is joining with students and others to apply anti-apartheid tactics to climate-harming industries.