Ice cover takes deep dip on Great Lakes

Icy, snow-covered lakes are a normal part of Midwest winters, but Great Lakes ice cover is taking a big dip this year in Michigan and other states, weather experts say.

NASA's ECOSTRESS mission sees plants 'waking up' from space

Although plants don't sleep in the same way humans do, they have circadian rhythms—internal clocks that, like our own internal clocks, tell them when it's night and when it's day. And like many people, plants are less active ...

Isle Royale likely to get 20-30 wolves over a 3-year span

The National Park Service on Friday formally moved forward with its proposal to put 20 to 30 wolves on Isle Royale in Lake Superior over three years to bolster the nearly extinct population on the island and cull the growing ...

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