The planet is shaped by forces deep within its interior. These push the plates of the Earth's crust against each other, causing mountains and volcanoes to form along the collision zones. But when reconstructing what exactly ...
Earth Sciences
Jun 17, 2022
0
226
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
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
Some 252 million years ago the world was going through a tumultuous period of rapid global warming.
Earth Sciences
May 10, 2022
0
109
