Was it an upward leader or a ghost? The video is unsettling to be sure -- and many people saw many different things in it.
After a steamy, stormy start to the week, a wave of cooler air will have some grabbing long-sleeved shirts and jackets in the days ahead.
Rounds of drenching showers and locally severe thunderstorms will raise the risk of flash flooding across part of the central United States into late week.
People share their struggles with Lyme disease as the epidemic explodes across the country.
A newly-formed tropical depression is forecast to become a tropical storm and hug the west coast of Mexico into this weekend, while a second feature is now much less likely to have significant impact on Hawaii early next week.
On the heels of four tropical cyclones that made landfall in eastern Asia so far this month, a new tropical threat has developed in the Western Pacific Ocean.
Following news that monsoon rain has claimed more than 300 lives across India, Myanmar and Pakistan so far this month, the risk of flooding will expand to India's National Capital Region (NCR).