More than half a million homes and businesses lost power as severe thunderstorms roared through the Dallas-Fort Worth area to kick off the work week. See just how strong the winds got as water filled the streets.

An upper-level pattern change is ahead this week, bringing cooler conditions for some and warmer temperatures for others, but also storms and a flood concern. Here’s what you can expect.

This is a dangerously close call filmed in Missouri. A tornado blasted through a building and crossed a highway right in front of a group of storm chasers.

Texas is bracing for severe storms with very large hail and hurricane-force wind gusts possible today. Here’s what you need to know to stay safe.

A devastating landslide buried a village in Papua New Guinea in the middle of the night. One estimate has as many as 2,000 people dead. See how people are desperately trying to find loved ones in the aftermath, and why rescue efforts are only getting more complicated.