Earth's magnetic field protects and makes our planet habitable by stopping harmful high-energy particles from space, including from the Sun. The source of this magnetic field is the core at the centre of our planet.
Earth Sciences
Jul 10, 2019
0
263
By mapping the heat escaping from below the Greenland Ice Sheet, a NASA scientist has sharpened our understanding of the dynamics that dominate and shape terrestrial planets.
Earth Sciences
Aug 1, 2018
0
41
Hawaii's volcanos stand as silent sentinels. They guard the secret of how they formed, thousands of miles away from where the edges of tectonic plates clash and generate magma for most volcanos. A 2017 Nature study by Jones ...
Earth Sciences
Apr 27, 2018
0
102
Using supercomputer modeling, University of Oregon scientists have unveiled a new explanation for the geology underlying recent seismic imaging of magma bodies below Yellowstone National Park.
Earth Sciences
Apr 16, 2018
38
420
The modern continents were formed when Pangea broke into pieces during the Mesozoic period. The splitting of Africa from Antarctica started with great magma eruptions that flooded over an area millions of square kilometres ...
Earth Sciences
Apr 3, 2018
0
13
A pair of researchers from the University of Texas has found what they claim is evidence of a plume beneath Yellowstone National Park. In their paper published in the journal Nature Geoscience, Stephen Grand and Peter Nelson ...
A University of Illinois-led team has identified unexpected geophysical signals underneath tectonically stable interiors of South America and Africa. The data suggest that geologic activity within stable portions of Earth's ...
Earth Sciences
Feb 20, 2018
1
677
Recent stories in the national media are magnifying fears of a catastrophic eruption of the Yellowstone volcanic area, but scientists remain uncertain about the likelihood of such an event. To better understand the region's ...
Earth Sciences
Dec 18, 2017
2
39
Hawaii sits at the end of a chain of volcanoes running across the Pacific Ocean floor, but in the middle of this chain lies a bend of 60 degrees. For many decades geoscientists have struggled to explain exactly how and why ...
Earth Sciences
Nov 10, 2017
0
11
A new NASA study adds evidence that a geothermal heat source called a mantle plume lies deep below Antarctica's Marie Byrd Land, explaining some of the melting that creates lakes and rivers under the ice sheet. Although the ...
Earth Sciences
Nov 8, 2017
35
287
