Two major earthquake zones threaten the United States in very different ways: Cascadia, off the Pacific Northwest, and New Madrid, buried beneath the Mississippi Valley. Cascadia could trigger five ...

Taiwan issues first-ever 'mega wave' warning as Super Typhoon Bavi brings unusually large surf to the island nation.

Orcas are far more than apex predators—they may be the most intelligent hunters on Earth. Working in pods of up to 50, they create waves to wash seals from ice, intentionally beach themselves to catch ...