Seed ferns

Hundreds of fossil tree specimens belong to a single species

Jablonskipora kidwellae

Fossil that fills missing evolutionary link named after University of Chicago...

Recorded earthquakes in the region are marked with gray circles

After Iran-Iraq earthquake, seismologists work to fill in fault map of...

Sedimentary rock layers

A popular tool to trace Earth’s oxygen history can give false...

Madrid, Spain

A sub-desert savanna spread across Madrid 14 million years ago

Sea Glass Beach

What Is Sea Glass?

Under Sumatra, the oceanic tectonic plate is descending below the continental plate

First detailed simulation of 2004 megathrust earthquake

Glacial polish reflects sunlight at Pothole Dome in Yosemite National Park, California.

Study reveals structure and origins of glacial polish on Yosemite’s rocks

Bioclastic limestone and cross-bedded conglomerate are visible in exposed rocks at Marl Wash in the Bouse Formation, south of Blythe, California

Colorado River’s connection with the ocean was a punctuated affair

GoPro Gets Melted by Lava

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