Seen from space, the Earth is blue. The Earth has been blue for over 4 billion years because of the liquid water on its surface. How has the Earth managed to sustain liquid water on its surface for such a long time?
Earth Sciences
Feb 4, 2021
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20
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
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158
You never know what new discoveries might be hiding in old astronomical observations. For almost a hundred years starting in the late 19th century, emulsion-coated dry glass plate photography was the standard of choice used ...
Astronomy
Jan 28, 2021
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27
To predict when earthquakes are likely to occur, seismologists often use statistics to monitor how clusters of seismic activity evolve over time. However, this approach often fails to anticipate the time and magnitude of ...
Earth Sciences
Jan 25, 2021
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6
The sun is the only star in our system. But many of the points of light in our night sky are not as lonely. By some estimates, more than three-quarters of all stars exist as binaries—with one companion—or in even more ...
Astronomy
Jan 15, 2021
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157
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
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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
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118
Australia's east coast is littered with the remnants of hundreds of volcanoes—the most recent just a few thousand years old—and scientists have been at a loss to explain why so many eruptions have occurred over the past ...
Earth Sciences
Dec 16, 2020
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244
By exploiting a particular property of light diffraction at the interface between a glass and a liquid, researchers have demonstrated the first optical tweezers capable of trapping nanoscale particles.
Nanophysics
Dec 11, 2020
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5
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
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