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Earth
Tectonics in the tropics trigger Earth’s ice ages
Over the last 540 million years, the Earth has weathered three major ice ages -- periods during which global temperatures plummeted, producing extensive ice...
Scientists go to extremes to reveal make-up of Earth’s core
Experiments conducted at extreme conditions are giving scientists new insights into the chemical make-up of the Earth's core.
Advanced laboratory techniques reveal that our planet's...
Plate Tectonics
Tectonics in the tropics trigger Earth’s ice ages
Over the last 540 million years, the Earth has weathered three major ice ages -- periods during which global temperatures plummeted, producing extensive ice...
Tibetan plateau rose later than we thought
The Tibetan Plateau today is on average 4,500 meters above sea level. It is the biggest mountain-building zone on Earth. Most analyses to date...
Volcanoes
On the front lines in Kilauea
In the early spring, volcanologists monitoring the ground around Kilauea, the most active volcano on the island of Hawai'i, noticed a significant increase in...
Earthquake
A new way to sense earthquakes could help improve early warning...
Every year earthquakes worldwide claim hundreds or even thousands of lives. Forewarning allows people to head for safety and a matter of seconds could...
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Paleontology
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Mars
Naturally occurring ‘batteries’ fueled organic carbon synthesis on Mars
Mars' organic carbon may have originated from a series of electrochemical reactions between briny liquids and volcanic minerals, according to new analyses of three...
Mars valleys traced back to precipitation
The surface of Mars bears imprints of structures that resemble fluvial steam networks on Earth. Scientists therefore assume that there must have been once...
Moon
Thank the moon for Earth’s lengthening day
For anyone who has ever wished there were more hours in the day, geoscientists have some good news: Days on Earth are getting longer.
A...
Magma ocean may be responsible for the moon’s early magnetic field
Around four billion years ago, the Moon had a magnetic field that was about as strong as Earth's magnetic field is today. How the...
