A long-lost slab of Earth’s crust may be pulling away the bottom of the oldest part of North America, scientists say ...

Ice is a complicated material,” says Jean-Denis Brassard, an anti-icing specialist at the University of Quebec. Although one chunk may look like any other, each is a messy collection of individual ...

Sea ice extent in the Arctic has decreased by about 40 percent since 1979. New technologies are being deployed to regrow it.

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