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earth science

Scanning electron micrograph of a cluster of coccolithophores.
ecology

How Jurassic Plankton Stole Control of the Ocean’s Chemistry

October 1, 2019

Only 170 million years ago, new plankton evolved. Their demand for carbon and calcium permanently transformed the seas as homes for life.

geophysics

A Universal Law for the ‘Blood of the Earth’

November 28, 2018

Simple physical principles can be used to describe how rivers grow everywhere from Florida to Mars.

520px for Heavy Late Bombardment
geophysics

Fossil Discoveries Challenge Ideas About Earth’s Start

January 22, 2018

A series of fossil finds suggests that life on Earth started earlier than anyone thought, calling into question a widely held theory of the solar system’s beginnings.

Earth scientists hope that their growing knowledge of the planet’s early history will shed light on poorly understood features seen today, from continents to geysers.
geophysics

Explorers Find Passage to Earth’s Dark Age

December 22, 2016

Geochemical signals from deep inside Earth are beginning to shed light on the planet’s first 50 million years, a formative period long viewed as inaccessible to science.