Firefighters controlled a fire in a red-tagged vacant building on Alameda Avenue in Oakland Wednesday afternoon, which created heavy smoke visible throughout the city, the fire department said. Crews ...

Spain and Portugal’s power grids can’t be trusted. In minutes, an hours-long blackout grounded planes, stalled trains and left hospitals clinging to backup generators. Officials ruled out ...

What does a different flame color on a gas stove mean? A yellow, orange, or red flame usually indicates problems with the ...