Curtin University researchers have used ancient crystals from eroded rocks found in stream sediments in Greenland to successfully test the theory that portions of Earth's ancient crust acted as 'seeds' from which later generations ...
Earth Sciences
Jan 12, 2021
0
142
A new study from scientists at Scripps Institution of Oceanography at UC San Diego and the University of Chicago sheds light on a hotly contested debate in Earth sciences: when did plate subduction begin?
Earth Sciences
Dec 9, 2020
0
633
A new radioactivity model of Earth's ancient rocks calls into question current models for the formation of Earth's continental crust, suggesting continents may have risen out of the sea much earlier than previously thought ...
Earth Sciences
Jul 1, 2019
3
12
A new study shows evidence that ancient Mars probably had an ample supply of chemical energy for microbes to thrive underground.
Space Exploration
Sep 24, 2018
6
796
Search for signs of ancient microbial life in the geological record is challenging due to degradation of the primary organic material. Therefore, proof of biogenic origin often relies on chemical signatures that microorganisms ...
Earth Sciences
Jun 27, 2018
0
23
The remote Pilbara region of northern Western Australia is one of Earth's oldest blocks of continental crust, and we now think we know how it formed, as explained in research published today in Nature Geoscience.
Earth Sciences
Apr 17, 2018
2
93
These striking features on Mars were caused by the planet's crust stretching apart in response to ancient volcanic activity.
Space Exploration
Nov 16, 2017
0
8
Minerals containing water are widespread on Ceres, suggesting the dwarf planet may have had a global ocean in the past. What became of that ocean? Could Ceres still have liquid today? Two new studies from NASA's Dawn mission ...
Space Exploration
Oct 26, 2017
11
507
Rock samples from northeastern Canada retain chemical signals that help explain what Earth's crust was like more than 4 billion years ago, reveals new work from Carnegie's Richard Carlson and Jonathan O'Neil of the University ...
Earth Sciences
Mar 16, 2017
0
224
University of Wyoming scientists have found evidence of continental collisions in Wyoming's Teton Range, similar to those in the Himalayas, dating to as early as 2.68 billion years ago.
Earth Sciences
Jan 29, 2016
0
24
