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 ...

Rare roll cloud phenomenon advances over the ocean like a giant wave, captivating onlookers and spreading rapidly online.

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

Cloud-watchers can talk all about the interesting shapes they've noticed over the years. They may have been gazing out the car window during a road trip, or tanning on the beach, or on a morning walk.

A rare roll cloud was seen passing over several beaches in Portugal on Sunday, June 29. The phenomenon features a cloud that ...

More information: Jun Inoue et al, Shipboard observational evidence of supercooled liquid water clouds in the mid-troposphere over the Southern Ocean, Scientific Reports (2025). DOI: 10.1038 ...

Science Decline of Reflective Low Clouds May Have Contributed to Recent Record Heat A new study links decreasing cloud cover over the ocean to last year’s spiking heat, adding to research ...

In the skies over Champaign, Illinois, were wonky, wavelike clouds — reminiscent of the ocean. “It was a very neat thing to see, especially being right overhead,” she said in an interview.

The air can move like waves in the ocean, lifting clouds up and down. This process is nearly identical to dropping a stone in a pond. These clouds can be found at heights ranging from 4,000 to ...