Six Russian military aircraft were tracked operating in the Alaskan Air Defense Identification Zone for about 2 1/2 hours ...

From diving off cliffs to starving for months, emperor penguins are continuing to surprise scientists with their ability to ...

From dormant volcanoes and salt pans to urban forests and library gardens, these are the places we go for peace and quiet.

These birds have evolved to withstand the equatorial sun and shelter in volcanic rocks along a subtropical coastline. After ...

The North Sea—the northeastern arm of the Atlantic Ocean—is located between the British Isles and the mainland of ...