A railroad bridge on the northern edge of the Texas Hill Country came crashing down after flames engulfed the massive structure on Sunday.

Damage from Oklahoma tornado expected to cost billions.

Creating an embryo just from an egg and a skin cell seems like magic, but just how practical would the subsequent stem cells be? And does it actually amount to cloning?

MOORE, Okla. (AP) — Oklahoma natives know tornadoes. They've been carried into storm cellars as children and huddled in closets with their own kids.