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From left, University of Wyoming students Shane Scoggin, Adam Trzinski and Jessie Shields are part of new research investigating crustal melting in western North America. Here, they examine igneous rocks in the Snake Range of Nevada. Credit: Jay Chapman

Scientists probe mysterious melting of Earth’s crust in western North America

Researcher unearths hottest rock on record

Grand Canyon, Arizona

Geologists dig into Grand Canyon’s mysterious gap in time

‘Forbidden’ substances on super-Earths

Brazilian emeralds in a quartz-pegmatite matrix. (Photo courtesy of Madereugeneandrew/Wikimedia Commons)

Earth grows fine gems in minutes

A graphic showing the convective heat cycle (red arrows) that drives plate tectonic motion (black arrows) on Earth. Heat flows toward subduction zones through the uppermost mantle layer, the asthenosphere. A computer model from Rice University finds that the asthenosphere can locally drag plates along with it rather than acting exclusively as a brake on plate movements as had been widely believed. (Image courtesy of Surachit/Wikimedia Commons)

Former piece of Pacific Ocean floor imaged deep beneath China

Measuring the strength of olivine, the most abundant mineral in the...

Asteroid impact earth

Site of asteroid impact changed the history of life

Earth's Layers

New theory on how Earth’s crust was created

Scientists make Earth-shattering discovery

Some of the world’s oldest rubies linked to early life

Arial view of the Bungle Bungle range, May 2016. Credit: Creative Commons Attribution-Share Alike 4.0 International license. Nichollas Harrison

How the Bungle Bungles got their stripes

Earth's crust, mantle and outer core interactions.

New insight into Earth’s crust, mantle and outer core interactions

New theories about nature of Earth’s iron

McGill Colloidal Au research team study a mineralized (gold-bearing) vein underground at the Brucejack mine. Credit: Duncan McLeish

Clues from soured milk reveal how gold veins form

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.

Meteorite strikes made life on Earth possible

The extensive accumulations of obsidian artefacts in level C. a,b, General view of the level and detail of artefact density along the MS cliff (a) and inset (b). c,d, General view (c) and detail (d) of the artefact concentration (mainly handaxes) in the test pit of 2004. Credit: Nature Ecology & Evolution (2023). DOI: 10.1038/s41559-022-01970-1

Obsidian handaxe-making workshop from 1.2 million years ago discovered in Ethiopia

Old Faithful’s geological heart revealed

The oldest crystals in the world

New theory explains how Earth’s inner core remains solid despite extreme...

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