Magma Chamber

Volcanoes fed by ‘mush’ reservoirs rather than molten magma chambers

Yellowstone National Park

A microbe’s membrane helps it survive extreme environments

The iron cycle in the ocean

Tracing iron in the North Pacific

Main slab of Pengornithid Enantiornithine

Medullary bone found in Cretaceous birds

Millook Haven Beach, England

Millook Haven Beach, England

Cyanobacteria up close

Oxygen could have been available to life as early as 3.5...

This is an artistic reconstruction of a mother and calf of Maiabalaena nesbittae nursing offshore of Oregon during the Oligocene, about 33 million years ago.

Whales lost their teeth before evolving hair-like baleen in their mouths

Teilhardina brandti

Oldest-known ancestor of modern primates may have come from North America,...

Mount Etna Eruption on Jan. 12, 2011.

New automated volcano warning system forecasts imminent eruptions

For her research Witkowski collected seawater with fresh, modern algae to test potential indicators of the past.

Fossil algae reveal 500 million years of climate change

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