Spanish and Portuguese researchers have analysed the composition and radiative effect of desert aerosols during two episodes which simultaneously affected Badajoz (Spain) and Évora (Portugal) in August 2012. Results show ...
Earth Sciences
Apr 29, 2015
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This photograph of cloud bands over southern Mauritania was taken from the International Space Station with an oblique angle such that the cloud shadows are a prominent part of the view. Beneath the clouds, the plateau of ...
Space Exploration
Jan 28, 2014
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A new study led by the Wildlife Conservation Society and Zoological Society or London warns that the world's largest tropical desert, the Sahara, has suffered a catastrophic collapse of its wildlife populations.
Ecology
Dec 3, 2013
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The Sahara wasn't always a desert. Trees and grasslands dominated the landscape from roughly 10,000 years ago to 5,000 years ago. Then, abruptly, the climate changed, and north Africa began to dry out.
Earth Sciences
Nov 11, 2013
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Deep in the Sahara Desert, the Al Jawf oasis in southeastern Libya is pictured in this image from Japan's ALOS satellite.
Earth Sciences
Sep 20, 2013
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Three ancient river systems, now buried, may have created viable routes for human migration across the Sahara to the Mediterranean region about 100,000 years ago, according to research published September 11 in the open access ...
Archaeology
Sep 11, 2013
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Each summer, microscopic dust particles kicked up by African sandstorms blow thousands of miles (kilometers) across the Atlantic to arrive in the Caribbean, limiting airplane pilots' visibility to just a few miles and contributing ...
Earth Sciences
Aug 27, 2013
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Scientists are abuzz about a coal-colored rock from Mars that landed in the Sahara desert: A yearlong analysis revealed it's quite different from other Martian meteorites. Not only is it older than most, it also contains ...
Space Exploration
Jan 3, 2013
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Infectious African sleeping sickness is widespread south of the Sahara Desert. Although the around sixty million people residing in tropical Africa run the risk of becoming infected every day, only around four million of ...
Biochemistry
Dec 14, 2012
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University of British Columbia and Oxford University researchers have revealed the secrets of survival of an endangered population of African elephant in the unforgiving Sahara desert, and suggest that recent violence in ...
Ecology
Dec 12, 2012
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