From the ISS, NASA astronaut Don Pettit captured rare purple lightning and mysterious upper-atmosphere flashes above massive storms, revealing a hidden electrical world few ever witness from Earth.

The saying, “red sky at night, sailor’s delight,” is an age-old adage. According to the Library of Congress, there have been iterations of the ancient axiom, dating back to the times of Shakespeare ...

Add Yahoo as a preferred source to see more of our stories on Google. Hurricane warnings were in effect for Jamaica as the powerful Hurricane Melissa moved toward the island on Monday, October 27, ...