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Winter storm in Dakotas, Minnesota make travel frightful

A storm that began with snow, strong winds and bitter cold into the eastern Dakotas and western Minnesota early Wednesday and began moving east was making travel treacherous and grounded flights on one of the most anticipated ...

Six cosmic catastrophes that could wipe out life on Earth

If you ask yourself what the biggest threat to human existence is you'd probably think of nuclear war, global warming or a large-scale pandemic disease. But assuming we can overcome such challenges, are we really safe?

Why the Great Plains has such epic weather

From 78 degrees on Tuesday to snow on Wednesday? Swings like this aren't unusual in the central United States, where weather can quickly shift from one extreme to another. That's especially true in the springtime, when conditions ...

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