What are lost continents, and why are we discovering so many?
For most people, continents are Earth's seven main large landmasses.
Earth Sciences
Nov 25, 2019
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Page 11 - News tagged with ocean crust
Scientists have been drilling into the ocean floor for 50 years – here's what they've found so far
It's stunning but true that we know more about the surface of the moon than about the Earth's ocean floor. Much of what we do know has come from scientific ocean drilling – the systematic collection of core samples from ...
Earth Sciences
Sep 26, 2018
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Water cooling for the Earth's crust—seawater penetrates much deeper than previously thought
Hot vents in the deep sea and geysers on land document the penetration of water into the hot interior of the Earth. This happens primarily in regions where the crust breaks up and magma chambers are close to the surface, ...
Earth Sciences
Nov 22, 2017
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The more we learn about Mercury, the weirder it seems
For such a tiny planet, Mercury is a pretty big puzzle for researchers. NASA's MESSENGER probe already has revealed that the planet is surprisingly rich in elements that easily evaporate from the surface, such as sulphur, ...
Space Exploration
Mar 11, 2016
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Researchers propose a novel mechanism to explain High Plains elevation
No one really knows how the High Plains got so high. About 70 million years ago, eastern Colorado, southeastern Wyoming, western Kansas and western Nebraska were near sea level. Since then, the region has risen about two ...
Earth Sciences
Mar 6, 2015
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Researcher calls attention to vast, overlooked zone called 'aquaterra'
(Phys.org) —Think how people everywhere would marvel at the discovery of a continent lost beneath the sea, one that just a few thousand years ago played home to human civilizations that history has entirely missed.
Earth Sciences
Jun 20, 2014
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Continents set the pace
The origin and stimulus behind plate tectonics has been simulated with the aid of high-performance computers. A new study sheds light on the role continents play in the formation of oceanic crust.
Earth Sciences
Jan 28, 2014
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Rocks reveal ocean ridge development
A University of Wyoming husband-and-wife research team was part of a larger group that has made the first significant recovery of layered igneous rocks from the Earth's lowest ocean crust.
Earth Sciences
Dec 3, 2013
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'Caldas tear' resolves puzzling seismic activity beneath Colombia
Colombia sits atop a complex geological area where three tectonic plates are interacting, producing seismicity patterns that have puzzled seismologists for years. Now seismologists have identified the "Caldas tear," which ...
Earth Sciences
Jun 6, 2013
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'Underground Galapagos' excites scientists
Diverse underground ecosystems buried deep beneath the Earth's crust may offer clues to the origins of life on Earth, several recent studies have revealed.
Earth Sciences
Mar 16, 2013
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