Gravity and rock physics say slopes steeper than about 30°—known as the critical threshold angle, or the angle of repose—shouldn't really exist, yet they do. These steep slopes and near-vertical cliffs can be seen in ...
Earth Sciences
Jun 15, 2022
0
106
A study led by Prof. Yong-Fei Zheng at University of Science and Technology of China focused on the development of tectonic processes along convergent plate margins through inspection of recent advances in the fields of geology, ...
Earth Sciences
Jun 14, 2022
0
453
In August 2012, the Curiosity rover landed in the Gale Crater on Mars and began exploring the surface for indications of past life. The rover made some profound discoveries during that time, including evidence that the crater ...
Planetary Sciences
Jun 8, 2022
7
97
How do you choose a rock on Mars? Sometimes you don't—it chooses you.
Space Exploration
Jun 8, 2022
0
145
By simulating earthquakes in a lab, Caltech engineers have provided strong experimental support for a form of earthquake propagation now thought responsible for the magnitude-9.0 earthquake that devastated the coast of Japan ...
Earth Sciences
Jun 7, 2022
1
196
In between Earth's rigid tectonic plates above and its convecting mantle below is a hot and soft layer known as the asthenosphere. At mid-ocean ridges, upwelling of the hot asthenosphere to the surface of the seafloor forms ...
Earth Sciences
Jun 1, 2022
3
728
With its mirror segments beautifully aligned and its scientific instruments undergoing calibration, NASA's James Webb Space Telescope is just weeks away from full operation. Soon after the first observations are revealed ...
Astronomy
May 27, 2022
4
263
New research led by the University of Cambridge is the first to take a detailed image of an unusual pocket of rock at the boundary layer with Earth's core, some three thousand kilometers beneath the surface.
Earth Sciences
May 19, 2022
0
368
New chemistry "forensics" indicate that the stone named Hypatia from the Egyptian desert could be the first tangible evidence found on Earth of a supernova type Ia explosion. These rare supernovas are some of the most energetic ...
Astronomy
May 16, 2022
0
1132
A study led by a Monash University geologist has provided fresh evidence for when high rates of erosion occurred throughout the history of Mars.
Planetary Sciences
May 13, 2022
1
281
