Tagged white sharks migrate around Florida each winter. Experts say there have been no white shark bites and conservation may ...

The United States and Iran have offered sharply different accounts of the sinking of an Iranian warship in the Indian Ocean.

Oceans are rising as the climate changes, threatening coastal cities. A new study shows that much more of the world's ...

Climate change's rising seas may threaten tens of millions more people than scientists and government planners originally thought because of mistaken ...