Las Vegas residents are likely to see a low and slow-flying helicopter over the valley on Sunday and Tuesday. The U.S. Department of Energy’s National Nuclear Security Administration will conduct ...

MILWAUKEE - A helicopter was flown low over downtown Milwaukee on Tuesday, July 9. Now, officials have confirmed it has to do with security and safety for the Republican National Convention. The U.S.

BOSTON (STATE HOUSE NEWS SERVICE) – A helicopter equipped with radiation-sensing technology will make several low passes over the Boston Marathon route later this week to measure naturally occurring ...

The Department of Energy said Friday low-altitude helicopter flights to measure background radiation will be conducted over New Orleans Feb. 2 through Feb. 6 as part of security precautions for the ...

SAN FRANCISCO -- Federal and local officials say a helicopter will be flying low over the Bay Area this week as part of a federal research program measuring background radiation. The helicopter, a ...

LOS ANGELES (CBSLA) — Authorities are completing background radiation measurements over Southern California as part of the security precautions being put in place ahead of the Super Bowl. According to ...

A new map offers a new perspective on the city, revealing the steady, ever-present natural radiation emerging from the ground ...