A 2.2-billion-year-old crater is Earth’s oldest recorded meteorite impact
The newly dated Yarrabubba crater is found in Western Australia
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3 questions seismologists are asking after the California earthquakes
Jul 2019
Tectonic activity may be shifting very slowly away from the San Andreas Fault
3 questions seismologists are asking after the California earthquakes
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Ancient giant eruptions may have seeded nitrogen needed for life
May 2023
Lightning rips nitrogen in the air apart, allowing it to react with oxygen and other elements.
Ancient giant eruptions may have seeded nitrogen needed for life
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Ancient zircons may record the dawn of plate tectonics
May 2022
Parts of the Earth’s crust may have started sliding around about 3.8 billion years ago
Ancient zircons may record the dawn of plate tectonics
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Astronauts might be able to use asteroid soil to grow crops
Jul 2022
Lettuce, chili pepper and radish plants grew in mixtures of faux asteroid dirt and peat moss
Astronauts might be able to use asteroid soil to grow crops
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Carbon dioxide from Earth’s mantle may trigger some Italian earthquakes
Aug 2020
In the Apennines region, spikes in natural CO2 emissions coincide with the biggest tremors
Carbon dioxide from Earth’s mantle may trigger some Italian earthquakes
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Chicxulub collision put Earth’s crust in hot water for over a million years
Jun 2020
Asteroid crater on the Yucatán peninsula reveals surprising new geologic details
Chicxulub collision put Earth’s crust in hot water for over a million years
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An enormous supervolcano may be hiding under Alaskan islands
Dec 2020
A geologic game of connect the dots reveals hints of a giant undersea crater
An enormous supervolcano may be hiding under Alaskan islands
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Fluid in superdeep diamonds may be from some of Earth’s oldest unchanged material
Aug 2019
Studying such a pristine piece of early Earth may yield insights about the planet’s formation
Fluid in superdeep diamonds may be from some of Earth’s oldest unchanged material
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Giant polygon rock patterns may be buried deep below Mars's surface
Dec 2023
Radar reveals terrain that could shed light on how Mars's climate has changed over time
Giant polygon rock patterns may be buried deep below Mars's surface