Warming world creates hazard for Alpine glaciers

Italy was enduring a prolonged heat wave before a massive piece of Alpine glacier broke off and killed hikers on Sunday and experts say climate change will make those hot, destabilizing conditions more common.

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 ...

Could Texas see a repeat of last year's winter storm?

Most Texans will never forget last year's historic winter storm that paralyzed much of the state and set numerous record-low temperatures. But a Texas A&M University expert says that in any given year, there is only about ...

US tornado deaths at 78, likely to rise

At least 64 people died in Kentucky from devastating tornadoes that left a trail of destruction across the US state, the governor said Monday, with 14 people confirmed killed in other states.

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