Mercury rising?

Early Earth may have been ice cold

How rocks shaped the Civil War

Young sun-like star shows a magnetic field was critical for life...

Solving the mystery of the Tully Monster

Geologists discover how Australia’s highest mountain was created

Photosynthesis more ancient than thought, and most living things could do...

Discovery of ancient undersea spirals may improve understanding of climate change

Digging deeper: Study improves permafrost models, reduces uncertainties

Climate variations analyzed five million years back in time

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