Huge boulders crushed the front of a bus in Vietnam's Khanh Hoa province Sunday, killing at least six passengers and trapping many others.

There’s a temperature split in the upcoming winter months, with warmer-than-normal temperatures across the South and cooler in the Northern Plains and Pacific Northwest. Here’s how the months break down:

A second Pacific storm will soak California Monday, including the L.A. Basin. Flash flooding, debris flows and rockslides are possible. Here's the latest.

Another storm system is bringing more rain after a weekend of heavy downpours caused at least six deaths.

When you run in cold and dry conditions, the air strips moisture from the bronchial lining in your airways. When you run in hot, humid conditions, your breathing often feels heavy because your body is straining itself trying to cool off.