As divers brave volcanic eruptions and storms to search for human remains, their discoveries have a nation demanding answers.

A chilling murder mystery emerges at Taal Lake, just outside Manila. A courageous whistle-blower alleges that numerous ...

The number of dams in the United States at risk of overtopping is increasing, threatening their structural integrity and ...

Pollution causes more illness and early death than any other environmental threat, accounting for one in six deaths worldwide ...