Earth Sciences

Earth Sciences

Exploring the Rising Bernese Alps: A Tectonic Marvel

Mountains often emerge when two tectonic plates converge, where the denser oceanic plate subducts beneath the lighter continental plate into the earth’s mantle…

Earth Sciences

NASA examines Peru's deadly rainfall

Extreme flooding and frequent landslides that occurred in March have forced many from their homes. An El Niño-like condition with warm ocean waters developed…

Earth Sciences

Record Low Sea Ice Extent Reached at Both Poles

On Feb. 13, the combined Arctic and Antarctic sea ice numbers were at their lowest point since satellites began to continuously measure sea ice in 1979. Total…

Earth Sciences

»SolACES« – Farewell after nine years on the ISS

The SolACES solar spectrometer flew to the International Space Station in February 2008 as part of the SOLAR research mission. Its planned lifetime was one and…

Earth Sciences

Mars volcano, Earth's dinosaurs went extinct about the same time

Located just south of Mars' equator, Arsia Mons is the southernmost member of a trio of broad, gently sloping shield volcanoes collectively known as Tharsis…

Earth Sciences

Inner Van Allen Belt Has Less Radiation Than Expected

The inner Van Allen belt has less radiation than previously believed, according to a recent study in the Journal of Geophysical Research. Observations from…

Earth Sciences

Research proposes new theories about nature of Earth's iron

New research challenges the prevailing theory that the unique nature of Earth's iron was the result of how its core was formed billions of years ago.

Earth Sciences

GRACE Satellite Mission Marks 15 Years of Success and Innovation

“Revolutionary” is a word you hear often when people talk about the GRACE mission. Since the twin satellites of the NASA/German Gravity Recovery and Climate…

Earth Sciences

Louisiana Wetlands Face Sea-Level Rise Four Times Global Average

Without major efforts to rebuild Louisiana's wetlands, particularly in the westernmost part of the state, there is little chance that the coast will be able to…

Earth Sciences

How Fire and Ice Shaped Snowball Earth’s Glaciation Event

What caused the largest glaciation event in Earth's history, known as 'snowball Earth'? Geologists and climate scientists have been searching for the answer…

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Earth Sciences

Scientist Uses Supercomputer to Simulate Tornado Dynamics

The person behind that simulation is Leigh Orf, a scientist with the Cooperative Institute for Meteorological Satellite Studies (CIMSS) at the University of…

Earth Sciences

Drought and Forest Loss: The Amazon’s Critical Tipping Point

“The Amazon rainforest is one of the tipping elements in the Earth system,” says lead-author Delphine Clara Zemp who conducted the study at the Potsdam…

Earth Sciences

NASA gets a last look at Tropical Depression Enawo's final bow

Ex-tropical Cyclone Enawo moved off the southern coast of Madagascar and strengthened back into a tropical storm for a brief period before weakening to a…

Earth Sciences

NASA's aerial survey of polar ice expands its Arctic reach

For the past eight years, Operation IceBridge, a NASA mission that conducts aerial surveys of polar ice, has produced unprecedented three-dimensional views of…

Earth Sciences

Measuring Sulfur Dioxide Emissions from Space

Volcanoes erupt, they spew ash, their scarred flanks sometimes run with both lava and landslides. But only occasionally. A less dramatic but important process…

Earth Sciences

Arctic Data Boosts Japan Cold Wave Forecast Accuracy

In recent years, extreme winter weather events such as heavy snowfalls and severe winters have been occurring frequently in regions such as East Asia, North…

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