Reducing the number of fixed assumptions may improve the accuracy of complex process-based models.
geology
"Knobby Terrain" a Sign of Mars's Explosive Past
Newly identified knobby terrain related to ancient volcanoes on Mars hint that pyroclastic ash and rock flowed down slopes early in the red planet's history.
Daniel J. Fornari Receives 2014 Edward A. Flinn III Award
Daniel J. Fornari received the 2014 Edward A. Flinn III Award at the AGU Fall Meeting Honors Ceremony, held on 17 December 2014 in San Francisco, Calif. The award honors “individuals who personify the Union’s motto ‘unselfish cooperation in research’ through their facilitating, coordinating, and implementing activities.”
Reading History From Afar
A look at the sedimentary record in northern Ethiopia tells the story of oceans past—and maybe future.
Trace Element Holds the Key to Deformation of Continents
Studies of titanium in quartz grains could help scientists gain a better understanding of our planet's shifting surface.
Scientists Call for a Renewed Emphasis on Urban Geology
A renewed focus on geological aspects of cities could help mitigate natural hazards and provide a wealth of geological information, scientists say.
Crowdsourcing Digital Maps Using Citizen Geologists
Could citizen geologists help scientists make geological maps?
Centenary of the Discovery of Earth’s Magnetic Field Reversals
A monument was erected to commemorate the centenary of Bernard Brunhes’s discovery of Earth’s magnetic field reversals.
The New Geologic Map of Mars: Guiding Research and Education
Currently, five spacecraft are investigating Mars, and a swarm of new missions will follow. Clues to where they should focus investigations can be gleaned from the planet’s new geologic map.
Decades-Old Sediment Cores Complicate Cascadia Earthquake History
Scientists have long known that the Pacific Northwest is vulnerable to massive earthquakes, but newly unearthed data raises questions about the strength and frequency of these quakes.