Evidence from ancient rocks in north Alabama show the Earth's first forest spread rapidly, likely contributing to a mass extinction of shallow marine life some 370 million years ago.
Earth Sciences
Jun 19, 2019
2
110
Fluctuations in the orbital parameters of the Earth are considered to be the trigger for long-term climatic fluctuations such as ice ages. This includes the variation of the inclination angle of the Earth's axis with a cycle ...
Earth Sciences
May 22, 2019
0
46
Guy Middleton, a historian at the Czech Institute of Egyptology at Charles University in Prague, has angered members of the group who successfully pushed for the creation of a new unit of geological time called the Meghalayan ...
Millenia ago, ancient farmers cleared land to plant wheat and maize, potatoes and squash. They flooded fields to grow rice. They began to raise livestock. And unknowingly, they may have been fundamentally altering the climate ...
Earth Sciences
Sep 6, 2018
74
1431
The international working group, which includes geologists Jan Zalasiewicz, Mark Williams and Colin Waters, from the University of Leicester's School of Geography, Geology and the Environment and archaeologist Matt Edgeworth ...
Earth Sciences
Jan 16, 2018
1
58
A team of EPFL and European researchers has discovered a flaw in the way past ocean temperatures have been estimated up to now. Their findings could mean that the current period of climate change is unparalleled over the ...
Earth Sciences
Oct 26, 2017
2
230
The significant scale of human impact on our planet has changed the course of Earth history, an international team of scientists led by the University of Leicester has suggested.
Earth Sciences
Oct 2, 2017
2
454
Almost two billion years ago, a 10-kilometre-wide chunk of space slammed down into rock near what is now the city of Sudbury. Now, scientists from Western University and the University of Portsmouth are marrying details of ...
Space Exploration
May 26, 2017
0
128
Continental drift and plate tectonics—the notion that large chunks of Earth's crust slowly but inexorably shift positions—was proposed in 1912 but not accepted until the 1960s. These movements changed the face of the ...
Earth Sciences
May 18, 2017
1
26
A team of geologists at the University of Rochester has discovered a new species of bird in the Canadian Arctic. At approximately 90 million years old, the bird fossils are among the oldest avian records found in the northernmost ...
Archaeology
Dec 19, 2016
0
51
