Ancient soil provides a window to the past

Noelle Purcell, a senior in the Columbian College of Arts and Science, spent the first half of her summer in northern Kenya trying to better understand the environmental context of human evolution by studying the morphology ...

Image: Northeast Ethiopia

The Copernicus Sentinel-1B satellite takes us over Semera in northeast Ethiopia. Semera is a new town with a population of just over 2600 and serves as the capital of the Afar region. The region spans an estimated 270 000 ...

Great valley found on Mercury

Scientists have discovered a new large valley on Mercury that may be the first evidence of buckling of the planet's outer silicate shell in response to global contraction. The researchers discovered the valley using a new ...

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