Several dozen small impact craters, 10–70-m in size, have been discovered in southeastern Wyoming. A team of U.S. and German geoscientists found these ancient craters…
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Anna Ruth Halberstadt conducting field research in Antarctica’s McMurdo Dry Valleys. Credit: Anna Ruth Halberstadt Discrepancy between terrestrial and marine data resolved; shows that ice…
Ironstones deposited on the seafloor nearly two billion years ago now occur as rocky outcrops along the lakeshore of Tu Nedhé (Northwest Territories, Canada). Credit:…
Rapid erosion of supermountains released large amounts of nutrients, which were eventually carried into the oceans. Giant mountain ranges at least as high as the…
3D model of an ammonite. Credit: Lesley Cherns et al. Beautifully preserved fossil ammonite collected from 165-million-year-old JurassicThe Jurassic (from the Jura Mountains) is a…
Through analysis of ice cores from Greenland and Antarctica, a research team led by Lund University in Sweden has found evidence of an extreme solar…
A rock sample used to reexamine Earth’s pre-GOE “whiff of oxygen” spans the Archean and Paleoproterozoic time periods. This illustration depicts what the Earth might…
A new study has found that the mineralogy of the rocks that a meteorite hits, rather than the size of the impact, determines how deadly…
[embedded content]A simulation of the evolution of the Earth’s interior over time, showing the thermal (bottom), chemical (middle), and thermochemical evolution under the simulated conditions.…
February 5, 2021 The Libyan Desert is often cited as a Mars analogue. The vast Libyan Desert stretches toward the Mediterranean Sea, which itself fades…
Moon phases. The dusty surface of the moon — immortalized in images of Apollo astronauts’ lunar footprints — formed as the result of asteroid impacts…
This image shows several craters in Arabia Terra that are filled with layered rock, often exposed in rounded mounds. The image was taken by a…
4 billion years ago, the Earth was composed of a series of magma oceans hundreds of kilometers deep. Earth hasn’t always been a blue and…
NASA’s Mars Insight Lander Uses Wind-Induced Vibrations To Reveal the Red Planet’s Subsurface Layers
An artist illustration of the InSight lander on Mars. InSight, short for Interior Exploration using Seismic Investigations, Geodesy and Heat Transport, is designed to give…
Composite image showing some of the types of fossil-like specimens created by chemical reactions that could be found on Mars. Credit: Sean McMahon, Julie Cosmidis…
A view of the crater of Dotsero volcano, a monogenetic volcano that erupted in Colorado about 4,000 years ago. Credit: Greg Valentine A study presents…
Roger Buick in 2004 at the Mount McRae Shale in Western Australia. Rocks drilled near here show “whiffs” of oxygen occurred before the Great Oxidation…
Princeton researchers have developed a technique to better understand how polymers flow through small channels under pressure. Credit: David Kelly Crow Princeton researchers have solved…
Photo of the ruby that this study analyzed. Credit: University of Waterloo While analyzing some of the world’s oldest colored gemstones, researchers from the University…
Cross-section of the Earth’s interior: crust, upper- and lower-mantle, and outer- and inner-cores. Credit: Mikio Fukuhara, Alexander Yoshino, and Nobuhisa Fujima Rather than being created…