Emergency officials are racing to mitigate a Garden Grove chemical tank crisis as thousands remain under evacuation orders.

This video explores the hidden world beneath Antarctica’s massive ice sheets, including buried mountains, valleys, rivers, ...

Navigating snow drifts, social isolation and elephant seals, sci-fi-inspired architect Hugh Broughton is reshaping life at ...

Coastal cities across the U.S. could be at risk of going underwater due to the melting of the Thwaites Glacier in Antarctica, ...