-
Antarctic Ice Shelf at Tipping Point
British and American scientists have discovered a previously unknown sub-glacial basin nearly the size of New Jersey beneath the...
0 -
Hansen: Game Over for the Climate
Global warming isn’t a prediction. It is happening. That is why it was so troubling to read a recent...
-
Peopling the Planet
Not long ago, the story was simple. A vanguard of modern humans left their African birthplace 50,000–60,000 years ago...
-
Dinosaur Gases Warmed the Earth
Giant dinosaurs could have warmed the planet with their flatulence, researchers said. British scientists have calculated the methane output...
-
An Underground Fossil Forest Offers Clues on Climate Change
In the clammy depths of a southern Illinois coal mine lies the largest fossil forest ever discovered, at least...
-
Keeping an Eye on Earth Is Getting Harder
The ability of U.S. scientists to monitor changes in the planet’s climate, natural hazards, and land surface continues to...
-
Melting Glaciers Liberate Ancient Microbes
Locked in frozen vaults on Antarctica and Greenland, a lost world of ancient creatures awaits another chance at life....
-
Greenland Ice Sheet Speeds Slide into the Ocean
The Greenland Ice Sheet is accelerating in its slide into the ocean, like snow sliding off a roof on...
-
What Triggers a Mass Extinction?
The second-largest mass extinction in Earth’s history coincided with a short but intense ice age during which enormous glaciers...
-
Melting Antarctic Permafrost Drove Ancient Global Warming
Fifty-five million years ago, the world abruptly warmed by a scorching 5 degrees Celsius, the oceans turned acidic, and...