Rewriting the history books: Why the Vikings left Greenland

One of the great mysteries of late medieval history is why did the Norse, who had established successful settlements in southern Greenland in 985, abandon them in the early 15th century? The consensus view has long been that ...

Drought uncovers dinosaur tracks in US park

A drought in Texas dried up a river flowing through Dinosaur Valley State Park, exposing tracks from giant reptiles that lived some 113 million years ago, an official said Tuesday.

Ten ways climate change can make wildfires worse

As out-of-control wildfires ravage large swathes of Portugal, Spain and northern California, AFP talked to scientists about the ways in which global warming can amplify the problem.

During drought, dry air can stress plants more than dry soil

Newly published research by Indiana University scientists finds that low relative humidity in the atmosphere is a significant, growing and often under-appreciated cause of plant stress in hot, dry weather conditions.

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