Iraq's Garden of Eden now 'like a desert'

To feed and cool his buffaloes, Hashem Gassed must cross 10 kilometers (six miles) of sunburnt land in southern Iraq, where drought is devastating swathes of the mythical Mesopotamian Marshes.

Earth's cloudy past could reveal exoplanet details

The pattern of clouds on Earth is largely determined by the arrangement of the continents below. Now, astronomers are modeling the clouds at different periods in Earth's past to better understand what alien worlds might look ...

The science of carbon dioxide and climate

The vast majority of scientists around the world agree that our climate is changing at a faster rate than ever recorded in human history because of our use of fuels such as coal and oil, so-called fossil fuels.

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