As storms cross the South, portions of Texas and Louisiana are under the threat of damaging winds, flash flooding and possible tornadoes. A flash flood emergency was issued for parts of Texas as heavy rain causes damaging floods. Storms are ongoing so check back here for live updates throughout the day.

Severe weather is spreading eastward ahead of a cold front this week. Here's what to expect.

Storms brought extreme rainfall rates to parts of eastern Texas, leaving some cars partially submerged in standing water. A flash flood emergency was declared for the area.

A day after the total solar eclipse bathed Austin, Texas, in magical daylight darkness, a hailstorm pounded the area with stones the size of tennis balls.

Scientists just uncovered a fresh piece of the asthma puzzle, paving the way for groundbreaking new types of treatments.