Add Yahoo as a preferred source to see more of our stories on Google. EL PASO, Texas (KTSM) — The 80th anniversary of the Trinity Site test of the world’s first atomic bomb was marked this past week.

Following a five-hour drive east from Tucson, the New Mexico morning desert sky cast itself in Robin egg blue. The heavens were salted with feathery trails of see-through lacy clouds drifting to the ...