A history-making, 75-year-old ocean liner is about to start its last voyage. The "S.S. United States" is due to be towed as ...

Coral reefs rely on a symbiosis between the coral itself and dinoflagellates, which harness sunlight to produce sugars, which they provide to the coral in return for protection and a place to grow.

A group of professional skiers went down Mount Etna as lava oozed down the snowy mountain side. Judge denies request to ...