If you could travel back in time 41,000 years to the last ice age, your compass would point south instead of north. That's because for a period of a few hundred years, the Earth's magnetic field was reversed. These reversals ...
Earth Sciences
May 16, 2017
5
177
Earth's history should include 'pre-plate tectonic' and 'plate tectonic' phases beginning less than a billion years ago, according to a team of geoscientists in the journal Geology.
Earth Sciences
May 11, 2017
0
38
Geophysicists at the Earth-Life Science Institute (ELSI) at the Tokyo Institute of Technology report in Nature Geoscience a new model for the existence of a deep mantle conveyor belt system that may have operated inside the ...
Earth Sciences
Feb 28, 2017
6
433
A new study led by The Australian National University (ANU) has found seawater cycles throughout the Earth's interior down to 2,900km, much deeper than previously thought, reopening questions about how the atmosphere and ...
Earth Sciences
Feb 27, 2017
0
12
New research published in Earth and Planetary Science Letters describes how scientists have used the world's largest array of seismic sensors to map a deep-Earth area of melting carbon covering 1.8 million square kilometres. ...
Earth Sciences
Feb 13, 2017
10
325
Earth's water may have originally been formed by chemical reactions deep within the planet's mantle, according to research led by University College Dublin.
Earth Sciences
Feb 3, 2017
27
2145
For decades, scientists have theorized that the movement of Earth's tectonic plates is driven largely by negative buoyancy created as they cool. New research, however, shows plate dynamics are driven significantly by the ...
Earth Sciences
Jan 18, 2017
5
748
New research from a team including Carnegie's Steven Shirey and Jianhua Wang explains how the world's biggest and most-valuable diamonds formed—from metallic liquid deep inside Earth's mantle. The findings are published ...
Earth Sciences
Dec 15, 2016
3
939
Scientists have found a key indicator in determining whether the presence of carbon, found in the Earth's mantle, is derived from continental crust - a step toward better understanding the history of crustal formation on ...
Earth Sciences
Nov 9, 2016
0
411
Oceans might not be thought of as magnetic, but they make a tiny contribution to our planet's protective magnetic shield. Remarkably, ESA's Swarm satellites have not only measured this extremely faint field, but have also ...
Earth Sciences
Oct 4, 2016
1
3
