An interesting phenomenon unfolded Monday in the sky over Houston as nearly perfect rows of clouds were spotted. Video submitted to us by a subscriber showed the unmistakable appearance of what are ...

When volcanic eruptions send towering plumes of ash into the atmosphere, they don’t just darken the sky or affect local air quality. New research shows that these eruptions can actually trigger the ...

Add Yahoo as a preferred source to see more of our stories on Google. An ethereal bloom of white lingered in a pre-dawn sapphire sky on Wednesday, March 4, glittering evidence of man’s ambitions to ...