Using information from inside the rocks on Earth's surface, we have reconstructed the plate tectonics of the planet over the last 1.8 billion years.
Earth Sciences
Sep 6, 2024
1
520
In 1966, US Army scientists drilled down through nearly a mile of ice in northwestern Greenland—and pulled up a fifteen-foot-long tube of dirt from the bottom. Then this frozen sediment was lost in a freezer for decades. ...
Earth Sciences
Mar 15, 2021
45
11474
Earth's molten core may be leaking iron, according to researchers who analyzed how iron behaves inside our planet.
Earth Sciences
Apr 13, 2020
9
4334
The Yukon River flows west across Alaska toward the Bering Sea, eroding Arctic permafrost along its banks and transporting sediment downstream. Within that sediment lurks a toxic stowaway: mercury.
Earth Sciences
Aug 15, 2024
2
349
Wind and solar farms are known to have local effects on heat, humidity and other factors that may be beneficial—or detrimental—to the regions in which they are situated. A new climate-modeling study finds that a massive ...
Earth Sciences
Sep 6, 2018
44
1270
and not just regional forces – has caused record-breaking amounts of freshwater to accumulate in the Arctic's Beaufort Sea.
Earth Sciences
Jan 4, 2012
0
0
The most severe mass extinction in Earth's history occurred with almost no early warning signs, according to a new study by scientists at MIT, China, and elsewhere.
Earth Sciences
Sep 19, 2018
2
1585
A massive new review of ancient atmospheric carbon-dioxide levels and corresponding temperatures lays out a daunting picture of where the Earth's climate may be headed. The study covers geologic records spanning the past ...
Earth Sciences
Dec 7, 2023
49
1352
A team of University of Rhode Island scientists and statisticians conducted a sophisticated quantitative analysis of a mass extinction that occurred 215 million years ago and found that the cause of the extinction was not ...
Earth Sciences
May 27, 2020
8
5078
An outright ban on the common use of plastic "microbeads" from products that enter wastewater is the best way to protect water quality, wildlife, and resources used by people, a group of conservation scientists suggest in ...
Environment
Sep 16, 2015
6
7295
