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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

A new timeline of Earth’s cataclysmic past

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.

Ancient drop of water rewrites Earth’s history

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

Groundwater well drilling equipment in California's Central Valley. Photo Credit: Chad Ress

Drilling Deeper : A new study shows Americans are drilling deeper...

The floormen (in yellow jackets) and drillers (in white booths in background) of Expedition 383 retrieve core barrels and sediment cores around the clock. Credit: Jenny Middleton/Lamont-Doherty Earth Observatory

How a drilling ship pulls cores from 2.5 miles below the...

Zermatt in the Western Alps.

More ‘reactive’ land surfaces cooled the Earth down

Earth

Building blocks of the Earth

Canadian Rocky Mountains

Study provides new insight into origin of Canadian Rockies

The comet 46P/Wirtanen on January 3, 2019.

A family of comets reopens the debate about the origin of...

The rising Earth from the perspective of the moon.

Formation of the moon brought water to Earth

Ammonium fertilized early life on Earth

A mineral map of a cumulate mineral sample.

How Earth’s mantle is like a Jackson Pollock painting

Bermuda has a unique volcanic past. About 30 million years ago, a disturbance in the mantle’s transition zone supplied the magma to form the now-dormant volcanic foundation on which the island sits.

From Earth’s deep mantle, scientists find a new way volcanoes form

Subsidence in Tuscany

Monitoring Earth’s shifting land

Credit: Density values from LithoRef18 (Afonso et al.) and gravity gradients from Bouman et al. (2016)

3D Earth in the making

Subduction Zone - Earth

How life on Earth affected its inner workings

A laser-heated diamond anvil cell is used to simulate the pressure and temperature conditions of Earth's core.

What does Earth’s core have in common with salad dressing?

Polynya

Uncovering Polynya : Research unravels 43-year-old mystery in deep Antarctica

diamonds formed from oceanic crust

Eclogitic diamonds formed from oceanic crust

Everest

Nepal expedition to remeasure height of Everest

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