Global warming has increased risk of record heat, scientists say

Drought shriveled crops in the Midwest, massive wildfires raged in the West and East Coast cities sweltered. The summer of 2012 was a season of epic proportions, especially July, the hottest month in the history of U.S. weather ...

Women at NASA manage novel hurricane mission

Women at NASA have made important contributions to the agency's missions, since its founding in 1958. But, as recently as 20 years ago, the number of women in key technical and project management positions was small. In 1993, ...

Ancient ice melt unearthed in Antarctic mud

Global warming five million years ago may have caused parts of Antarctica's large ice sheets to melt and sea levels to rise by approximately 20 metres, scientists report today in the journal Nature Geoscience.

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