What's up in

geology

Art for "Why the Best Place to Find Dark Matter May Be in a Rock"
dark matter

Why the Best Place to Find Dark Matter May Be in a Rock

Dark matter may occasionally interact with minerals in the earth, leaving telltale tracks that physicists hope to decipher.

Q&A

The Woman Who Gets Called When a Piece of Mars Falls From the Sky

Planetary geologist Meenakshi Wadhwa uses Martian meteorites to trace the history of our solar system.

geophysics

A Universal Law for the ‘Blood of the Earth’

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

Photo of Stromatolites
Abstractions blog

World’s Oldest Fossils Now Appear to Be Squished Rocks

Evidence for life in 3.7-billion-year-old rocks appears to be crumbling away.

520px for Heavy Late Bombardment
geophysics

Fossil Discoveries Challenge Ideas About Earth’s Start

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.

Thinking Places

Jason Morgan Recalls Discovering Earth’s Tectonic Plates

Jason Morgan developed the theory of plate tectonics in 1967 while working among a critical mass of talented geophysicists at Princeton University.

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

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.

Abstractions blog

A Quasicrystal’s Shocking Origin

By blasting a stack of minerals with a four-meter-long gun, scientists have found a new clue about the backstory of a very strange rock.

geophysics

How Life and Luck Changed Earth’s Minerals

Did the minerals on our planet arise in a predictable fashion, or did they result from chance events? The answers could eventually help scientists identify planets likely to harbor life.