The rocks on Earth are not all the same age. In fact, most are significantly younger than the planet itself. The oldest sections of the oceanic crust are thought to be 200 million years old—a blink of an eye in the planet's ...
Planetary Sciences
Dec 22, 2022
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63
New Zealand is no stranger to earthquakes. Scientists estimate that more than 20,000 occur each year, and the deadliest ones can shudder the entire nation.
Earth Sciences
Dec 22, 2022
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7
The big earthquake that rocked the far north coast of California on Tuesday originated in an area under the Pacific Ocean where multiple tectonic plates collide, creating the state's most seismically active region.
Environment
Dec 22, 2022
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7
Northern California residents awoke early Tuesday to a magnitude 6.4 earthquake that killed at least two people, damaged infrastructure and cut off power for tens of thousands.
Earth Sciences
Dec 21, 2022
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21
On Earth, shifting tectonic plates reshuffle the planet's surface and make for a dynamic interior, so the absence of such processes on Mars led many to think of it as a dead planet, where not much happened in the past 3 billion ...
Astronomy
Dec 5, 2022
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701
The amount of oxygen in the Earth's atmosphere makes it a habitable planet.
Earth Sciences
Nov 29, 2022
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252
Plate tectonics represents a defining framework of modern geoscience, accounting for large-scale features on Earth's surface, such as mountains and valleys, as well as the processes that shape them, like volcanoes and earthquakes. ...
Space Exploration
Nov 29, 2022
0
290
The idea that climate change and geological events can shape evolution isn't a new one: anyone who's heard of dinosaurs knows that a big change in the environment (like, say, a meteor hitting the Earth 66 million years ago ...
Evolution
Nov 28, 2022
0
60
A collaborative research group has succeeded, for the first time, in measuring the speed of sound of pure iron under pressures similar to the Earth's inner core boundary.
Earth Sciences
Nov 28, 2022
0
26
Earth is about 29% land and 71% oceans. How significant is that mix for habitability? What does it tell us about exoplanet habitability?
Astrobiology
Nov 25, 2022
0
65
