Earth Sciences

Earth Sciences

Geochemical ‘fingerprints’ leave evidence that megafloods eroded steep gorge

For the first time, scientists have direct geochemical evidence that the 150-mile long gorge, possibly the world’s deepest, was the conduit by which megafloods…

Earth Sciences

New Iceberg Theory Reveals Areas at Risk From Sea Level Rise

“If this starts to happen and we're right, we might be closer to the higher end of sea level rise estimates for the next 100 years,” said Jeremy Bassis,…

Earth Sciences

New Findings: Earth’s Greening Timeline Pushed Back Significantly

Conventional scientific wisdom has it that plants and other creatures have only lived on land for about 500 million years, and that landscapes of the early…

Earth Sciences

Mapping field camp's past and present: Exploring a mainstay of geoscience education

Earth science is just that, the study of the Earth. Thorough understanding of the surface expression of textbook concepts helps geoscientists provide…

Earth Sciences

Ancient Ice Melt Discovered in Antarctic Mud Analysis

Global warming five million years ago may have caused parts of Antarctica's large ice sheets to melt and sea levels to rise by approximately 20 metres,…

Earth Sciences

Nighttime Heat Waves Quadruple in Pacific Northwest

And if you don’t sleep well in hot weather, this might be a good time to buy a fan, since records show that on average heat waves tend to strike around the…

Earth Sciences

New Findings on Iron Supply Variability and Climate Impact

Iron is key to the removal of carbon dioxide from the Earth's atmosphere as it promotes the growth of microscopic marine plants (phytoplankton), which mop up…

Earth Sciences

Like butter: Study explains surprising acceleration of Greenland’s inland ice

During the last decade, researchers have captured compelling evidence of accelerating ice flow at terminal regions, or “snouts,” of Greenland glaciers as they…

Earth Sciences

New Flux Discovery May Unravel Earth’s Missing Mantle Mystery

It's widely thought that the Earth arose from violent origins: Some 4.5 billion years ago, a maelstrom of gas and dust circled in a massive disc around the…

Earth Sciences

Some Volcanoes 'Scream' at Ever-Higher Pitches Until They Blow Their Tops

A new analysis of an eruption sequence at Alaska's Redoubt Volcano in March 2009 shows that the harmonic tremor glided to substantially higher frequencies and…

Earth Sciences

Global Warming: Each Degree Could Raise Sea Levels Over 2 Meters

Each degree of global warming is likely to raise sea level by more than 2 meters in the future, a study now published in the Proceedings of the National…

Earth Sciences

Scientists outline long-term sea-level rise in response to warming of planet

This international study is one of the first to combine analyses of four major contributors to potential sea level rise into a collective estimate, and compare…

Earth Sciences

Distorted GPS Signals Unveil Hurricane Wind Speeds

Now, by figuring out how messed up GPS satellite signals get when bouncing around in a storm, researchers have found a way to do something completely different…

Earth Sciences

NASA caught Soulik's visible eye before making deadly landfall

On July 11, when Typhoon Soulik was approaching Taiwan, NASA and the Japanese Space Agency's Tropical Rainfall Measuring Mission satellite known as TRMM passed…

Earth Sciences

Scientists Uncover 14,000-Year-Old Ocean Life Mystery

Researchers have hypothesized that iron sparked this surge of ocean life, but a new study led by Woods Hole Oceanographic Institution (WHOI) scientists and…

Earth Sciences

Some volcanoes 'scream' at ever-higher pitches until they blow their tops

A new analysis of an eruption sequence at Alaska's Redoubt Volcano in March 2009 shows that the harmonic tremor glided to substantially higher frequencies and…

Feedback