Brad Paisley, from left, Steven Tyler and Carrie Underwood perform onstage at the 48th annual CMA Awards at the Bridgestone Arena on Wednesday, Nov. 5, 2014, in Nashville, Tenn. (Photo by Wade Payne/Invision/AP)

Photos: 48th annual CMA Awards

The 48th annual CMA Awards were held at the Bridgestone Arena on Wednesday, Nov. 5, 2014, in Nashville, Tenn.

One World Trade Center dominates the lower Manhattan skyline, Monday, Nov. 3, 2014 in this view from Jersey City, N.J. (AP Photo/Mark Lennihan)

Photos: World Trade Center reopens

Thirteen years after the 9/11 terrorist attack, the resurrected World Trade Center has opened for business, marking an emotional milestone f…

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Photos: NASA Rocket debris

On Oct. 28, the Antares, an unmanned commercial supply rocket, exploded seconds after liftoff with debris falling over the launch site.