An interdisciplinary international research team has recently discovered that a massive anomaly deep within the Earth's interior may be a remnant of the collision about 4.5 billion years ago that formed the moon.
Planetary Sciences
Nov 1, 2023
0
1530
Billions of years ago, in the giant disk of dust, gas, and rocky material that orbited our young sun, larger and larger bodies coalesced to eventually give rise to the planets, moons, and asteroids we see today.
Planetary Sciences
Jul 5, 2023
0
3332
As you are reading this, more than 400 miles below you is a massive world of extreme temperatures and pressures that has been churning and evolving for longer than humans have been on the planet. Now, a detailed new model ...
Earth Sciences
Jan 12, 2023
3
602
What is the structure of the Earth? For starters, it consists of several layers: the crust, the upper and lower mantle, and the core. The mantle makes up most of our planet's volume—84%. The lower mantle represents 55% ...
Earth Sciences
Oct 20, 2022
0
474
As ancient ocean floors plunge over 1,000 km into the Earth's deep interior, they cause hot rock in the lower mantle to flow much more dynamically than previously thought, finds a new UCL-led study.
Earth Sciences
Mar 25, 2019
1
127
Most schoolchildren learn that the Earth has three (or four) layers: a crust, mantle and core, which is sometimes subdivided into an inner and outer core. That's not wrong, but it does leave out several other layers that ...
Earth Sciences
Feb 14, 2019
14
1261
Researchers at CU Boulder report that they may have solved a geophysical mystery, pinning down the likely cause of a phenomenon that resembles a wrench in the engine of the planet.
Earth Sciences
Oct 1, 2018
1
408
Earth's mantle, the large zone of slow-flowing rock that lies between the crust and the planet's core, powers every earthquake and volcanic eruption on the planet's surface. Evidence suggests that the mantle behaves differently ...
Earth Sciences
Dec 10, 2015
1
471
University of California, Berkeley, seismologists have produced for the first time a sharp, three-dimensional scan of Earth's interior that conclusively connects plumes of hot rock rising through the mantle with surface hotspots ...
Earth Sciences
Sep 2, 2015
3
1208
By crushing minerals between diamonds, a University of Utah study suggests the existence of an unknown layer inside Earth: part of the lower mantle where the rock gets three times stiffer. The discovery may explain a mystery: ...
Earth Sciences
Mar 23, 2015
4
180
