When you have looked into western Montana's skies in the past, you may have noticed a fascinating object over the mountains.

A Feb. 11 Instagram post (direct link, archive link) includes a photo of a circular, red cloud formation above a map of Turkey and northern Syria. "#HAARP cloud; then weeks later; massive EARTHQUAKES ...

An image of a unique cloud formation captured in South Africa has intrigued users on Reddit. The image was shared on Reddit by a 21-year-old poster—who is known as Jay, the poster told Newsweek—whose ...

Experts say cloud formations do not signify a coming earthquake, contrary to claims circulating among Taiwanese social media users after a magnitude-6.0 tremor struck off the island's northeast coast ...

An odd-looking cloud formation over Mount Rainier drew curious eyes from social media users Wednesday as the volcano looked as if it was giving a warning before some sort of event, but experts quickly ...

At the top of Mt. Helmos in Greece, researchers from more than 12 European countries, including Aarhus University, hope to learn more about how clouds are formed and changed. The final goal is to make ...

This is the spectacular moment a stunning cloud formation appeared above the highest mountain in the Philippines. Footage captured by Peter John Lebo shows the massive swirling cloud over Mount Apo in ...

ANTIOCH, Calif. - An ominous cloud formation swirled over the skies of Antioch this week, prompting a KTVU viewer to capture the image and share it for all to see. KTVU meteorologist Steve Paulson ...

The sky showed off over the northern Wyoming mountains, and outdoor enthusiasts couldn’t help but post photos. Those looking west from Sheridan, Wyoming were treated to a rare spectacle on Tuesday, ...

A cloudy day can often make for a dreary occasion, but not in this case. On Tuesday, a lucky group of skywatchers in Wyoming were mesmerized as they looked to the heavens and witnessed a rare and ...

From the depths of the seas to snow on mountains and even the air above cities, microplastics are turning up increasingly often. Now, researchers have analyzed microplastics in clouds above mountains.