Scientists have made a groundbreaking discovery that challenges our understanding of Earth's water cycle. A massive ...

At times during the past half-billion years, carbon dioxide warmed our planet more than previously thought, according to a ...

I f astronomers had been walking the Earth 466 million years ago, they may have had something special to see. The moon and ...

Some of the most dramatic climate events in history are the Snowball Earth episodes, which occurred hundreds of millions of ...

You stand at the shore of a desolate ocean on a desolate world. As the dawn breaks, a strangely red star, 50 times larger ...

Ocean microbes influence carbon sequestration through their preferences. Different bacteria degrade specific lipids, ...

The implications of not understanding the formation of the inner core are far-reaching. Previous estimates of the inner ...

Using information from inside the rocks on Earth's surface, we have reconstructed the plate tectonics of the planet over the ...

A new study co-led by the Smithsonian and the University of Arizona offers the most detailed glimpse yet of how Earth's ...

It's the first time Earth's geologic record — information found inside rocks — has been used to create an animation of this kind.

High in the Canadian wilderness, Smithsonian scientists search for ancient minerals that could explain the origins of the ...

Beth Orcutt wants to learn more about life at the bottom of the ocean, to inform decision-making on deep sea mining.