Saturday, January 16, 2021
Earth

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The rising Earth from the perspective of the moon.
Earth

What other planets can teach us about Earth

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Benjamin Johnson of Iowa State University woks at an outcrop in remote Western Australia where geologists are studying 3.2-billion-year-old ocean crust. Photo by Jana Meixnerova. Photos provided by Benjamin Johnson.
Earth

Geologists determine early Earth was a ‘water world’ by studying exposed...

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They may not look like much, but CI chondrites – small fragile meteorites as shown here – are thought to be our best compositional equivalents of the bulk material of our solar system.
Earth

Earth formed much faster than previously thought

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The cruise is led by Ursula Röhl of MARUM (left) and Debbie Thomas of Texas A&M University (right). They are supported by the Expedition Project Manager Laurel Childress.
Earth

International team starts on drilling expedition

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Structure layers of the earth.
Earth

Scientists Find Iron ‘Snow’ in Earth’s Core

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Earth's layers
Earth

New insights into the formation of Earth’s crust

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A schematic summary of the effect of the convergence rate. Upper image shows a slow convergence rate allows thermal difussion and a derived reduction of slab's density (positive buoyancy). Lower image shows how a faster convergence rate increases the slab's density promoting the negative buoyancy. Credit: Kittiphon Boonma, Scientific Reports
Earth

Study explores the density of the tectonic plates and why they...

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The Sentinel-6A spacecraft sits in its clean room in Germany's IABG space test center. The satellite is being prepared for a scheduled launch in November 2020 from Vandenberg Air Force Base in California. Credit: IABG
Earth

New Earth mission will track rising oceans into 2030

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Earth
Earth

Telescopes and satellites combine to map entire planet’s ground movement

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Hot Springs in Yellowstone National Park
Earth

How sulfur helped make Earth habitable before the rise of oxygen

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Peaty sedimentary archive from a palm swamp collected with a Russian corer. (Image:Encarni Montoya)
Earth

A new study shows the evolution and changes of the vegetation...

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A panoramic view of one of the Arico ignimbrite outcrops where the two units can be seen.(Image: Joan Martí)
Earth

A new study determines the influence of the topography over ...

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This image shows the divisions between Earth’s layers. The ancient, continent-sized rock regions encircle the liquid outer core. Credit: Lawrence Livermore National Laboratory
Earth

New study suggests gigantic masses in Earth’s mantle untouched for more...

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The mineral olivine contains melt inclusions (black dots), just a few micrometers in size. The geochemists isolated these inclusions and investigated the isotopic composition with mass spectrometers. Credit: Münster University - Felix Genske
Earth

Geochemists measure new composition of Earth’s mantle

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The volcano Chimborazo, Ecuador, that Alexander von Humboldt surveyed in 1802. Photo: Spyros Theodoridis/CMEC
Earth

Why is Earth so biologically diverse? Mountains hold the answer

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Earth's mantle (dark red) lies below the crust (brown layer near the surface) and above the outer core (bright red).
Earth

Earth’s fingerprint hints at finding habitable planets beyond the solar system

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An example of a Pallasite meteorite (from the Esquel fall) on display in the Vale Inco Limited Gallery of Minerals at the Royal Ontario Museum.
Earth

Meteorite strikes made life on Earth possible

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Depictions of large asteroids striking Earth, which, during parts of its early history, would have had a much thicker atmosphere than it does today. Credits: NASA with modifications by Stephen Mojzsis
Earth

A new timeline of Earth’s cataclysmic past

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A diagrammatic representation of the Earth in the Archaean showing subducted ocean floor carrying its chemical signature into the deep mantle. The signature which includes water and chlorine is preserved in melt inclusions contained within olivine and carried back up to surface within komatiite lava flows.
Earth

Ancient drop of water rewrites Earth’s history

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Study co-author Rob Coe and Trevor Duarte orienting cores from a lava flow site recording the Matuyama-Brunhes magnetic polarity reversal in Haleakala National Park, Hawaii, in 2015
Earth

Earth’s last magnetic field reversal took far longer than once thought

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