At some point between 300 million and 1 billion years ago, a large cosmic object smashed into the planet Venus, leaving a crater more than 170 miles in diameter. A team of Brown University researchers has used that ancient ...
Astronomy
Jan 28, 2021
0
158
Writing in PNAS, scientists from Cologne university present important new constraints showing that plate tectonics started relatively slow, although the early Earth's interior was much hotter than today.
Earth Sciences
Dec 22, 2020
1
33
Megathrust earthquakes and subsequent tsunamis that originate in subduction zones like Cascadia—Vancouver Island, Canada, to northern California—are some of the most severe natural disasters in the world. Now a team of ...
Earth Sciences
Dec 21, 2020
0
118
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
An oceanic plateau has been observed for the first time in the Earth's lower mantle, 800 kilometers deep underneath Eastern Siberia, pushing Hawaii's birthplace back to 100 million years, says a Michigan State University ...
Earth Sciences
Nov 20, 2020
1
120
Among seismologists, the geology of Alaska's earthquake- and volcano-rich coast from the Aleutian Islands to the southeast is fascinating, but not well understood. Now, with more sophisticated tools than before, a University ...
Earth Sciences
Nov 18, 2020
0
188
Analysis of an ancient meteorite from Mars suggests that the mineral zircon may be abundant on the surface of the red planet.
Astronomy
Nov 17, 2020
1
1014
In a study that gives new meaning to the term "rock bottom," seismic researchers have discovered the underside of a rocky slab of Earth's surface layer, or lithosphere, that has been pulled more than 400 miles beneath northeastern ...
Earth Sciences
Nov 16, 2020
2
2323
Scientists from the Laboratoire de géologie de Lyon: Terre, planètes et environnement (CNRS/ENS de Lyon/Université Claude Bernard Lyon 1) report that a small amount of molten rock located under tectonic plates encourages ...
Earth Sciences
Oct 21, 2020
0
129
The existence of a tectonic plate called Resurrection has long been a topic of debate among geologists, with some arguing it was never real. Others say it subducted—moved sideways and downward—into the earth's mantle ...
Earth Sciences
Oct 20, 2020
1
1668
