These eye-catching phenomena have long puzzled skygazers and scientists—until two amateur astronomers made a very serendipitous discovery.

The Irish lightning strike caused downtime for many Amazon and Microsoft customers using the two cloud colossuses cloud computing services, including Amazon Elastic Compute Cloud (EC2) and ...

A lightning-filled cloud loomed over Jamestown, Indiana, on March 19, as storms rolled through the region.Footage filmed by Angie Dickerson shows dark clouds being lit up by lightning on Wednesday ...