People in Portugal witnessed one of the most beautiful natural phenomena– after ‘roll clouds’ took over the ocean, turning it ...

A “roll cloud” spotted off the coast of Portugal looked like something out of a movie. Here’s the science behind it.

People relaxing on Furadouro beach, south of the city of Porto, saw a huge cloud rolling in from over the ocean.

But in 2014, NASA’s Terra satellite captured a near-perfect circle of clouds hovering above the Pacific Ocean. Spotted a few thousand kilometers southwest of Hawaii, this unusual ring floated ...

The red glowing clouds were spotted by a pilot on July 22 who shared the images on Reddit. Users compared it to a watergate from Netflix's Stranger Things, which was a portal to the upside down world.

It shows gray, thick cloud towering over a road, giving the appearance that the whole ocean is hovering only a few dozen feet above the ground. Clouds, which are plumes of condensed water vapor in ...

In the middle of the Pacific Ocean. What's in the photo? A circular, open-celled cloud above the ocean surface. Which satellite took the photo? NASA's Terra satellite. When was it taken? Sept. 3, 2014 ...