A thunderstorm illuminated the sky over Yellowstone National Park on July 3, stunning footage shows. Shreenivasan Manievannan ...

Intense lightning lit up the skies over Chicago on the evening of July 10, as severe thunderstorms swept through the region.

Columbia college student Tripp Roche has a plan to bring programmable LED lighting to the downtown skyline. Some buildings ...

THE fourth and final day of Amazon's huge Prime Day sale is underway. Read on for our pick of the best Amazon Prime Day deals - from affordable appliances to must-have heatwave essentials you won't ...

A retired nurse, her son and a family friend say they were lucky to survive last week's flash floods in Texas that killed more than 100 people, including many summer campers.

NASA astronaut Nichole Ayers photographed a rare atmospheric phenomenon over the US and Mexico known as a "sprite" that's ...