A subsurface ocean lies deep within Saturn's moon Dione, according to new data from the Cassini mission to Saturn. Two other moons of Saturn, Titan and Enceladus, are already known to hide global oceans beneath their icy ...
Space Exploration
Oct 5, 2016
20
2
Thank goodness for the Earth's crust: It is, after all, that solid, outermost layer of our planet that supports everything above it.
Earth Sciences
Jun 26, 2020
4
739
Victor Camp has spent a lifetime studying volcanic eruptions all over the world, starting in Saudi Arabia, then Iran, and eventually the Pacific Northwest. The geology lecturer finds mantle plumes that feed the largest of ...
Earth Sciences
Aug 6, 2019
1
654
Just like honey slowly dripping from a spoon, parts of the rocky outermost layer of Earth's shell are continuously sinking into the more fluid layer of the planet's mantle over the course of millions of years. Known as lithospheric ...
Earth Sciences
Jul 19, 2022
0
104
An international research team, led by a Virginia Tech geoscientist, has revealed information about how continents were generated on Earth more than 2.5 billion years ago—and how those processes have continued within the ...
Earth Sciences
Mar 31, 2015
30
1798
An international team of researchers has found evidence supporting a theory that suggests a missing crust layer can be blamed on "Snowball Earth." In their paper published in Proceedings of the National Academy of Sciences, ...
Everything on the surface of the Earth rests on massive tectonic plates that resemble a jelly sandwich, with two rigid pieces—the upper crust and the upper mantle—enclosing a gooey middle layer of very hot rocks, which ...
Earth Sciences
Jan 17, 2018
4
350
The huge magnetic field which surrounds the Earth, protecting it from radiation and charged particles from space—and which many animals even use for orientation purposes—is changing constantly, which is why geoscientists ...
Earth Sciences
Jun 6, 2019
5
151
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
