LAS VEGAS (KTNV) — A helicopter registered to the National Nuclear Security Administration (NNSA) was spotted flying in a grid pattern over Red Rock Canyon on Wednesday afternoon, prompting questions ...

The Texas grid operator’s meteorologist said Tuesday the state could face a sudden winter freeze this season that would put the electric grid at significant risk of emergency conditions and forced ...

A mystery grid pattern has been exposed by drought at a huge reservoir near Sheffield. The straight lines are in an area larger than a football field which is normally far below the surface of ...