A dusty lab in the sky

Joe Nuth loves dust. Among astronomers, that puts him in a minority.

University of California to dump fossil fuel investments

The University of California is dumping fossil fuel investments from its nearly $84 billion pension and endowment funds because they are a financial risk, its top financial officers announced Tuesday.

Time for a radical rethink about sand?

On a sandbank on the Chambal River in northern India, the critically endangered gharial and red-crowned roofed turtle (the Chambal is the latter's last known refuge) bask side by side. It's late March and approaching the ...

Ages of the Navajo Sandstone

The real Jurassic Park was as an ancient landscape home to a vast desert covered mostly in sand dunes as far as the eye could see, where dinosaurs and small mammals roamed southern Utah. The Navajo Sandstone is known for ...

Shining (star)light on the search for life

In the hunt for life on other worlds, astronomers scour over planets that are light-years away. They need ways to identify life from afar—but what counts as good evidence?

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