PHOENIX — Have you seen clouds that look like something from another world? No, it's not aliens or UFOs, there is a scientific explanation for these cloud formations that look like flying saucers.

If you've ever looked up and thought you spotted a UFO hovering near the mountains, chances are you were actually seeing ...

Cloud formation can be influenced by the topography of the land. The Tri-Cities area is surrounded by mountains, which play a major role in a lot of the weather we experience. Mountains act as a ...

NASA captured dramatic wave-like cloud formations after a historic winter storm swept across the Sierra Nevada.

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 ...

Social media was abuzz after people in the greater Seattle metro area saw what appeared to be venting on Mount Rainier on Wednesday. A video of the most glaciated peak in the contiguous U.S. was ...

Some on social media speculated that it was a sign of an eruption, however the National Park Service (NPS) and the United States Geological Survey (USGS) quickly put those concerns to rest. Mount ...

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 ...

NEAR MT. RAINIER, Wash. — Once again, some persuasive pictures of Mount Rainier have led a few to wonder if the volcano was beginning to erupt earlier this month. Spoiler alert: no, Mount Rainier was ...

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 ...

They may look like ripples in the sky, but these odd cloud formations snapped by locals in south-east Queensland are a rare weather phenomenon known as lenticular clouds. The strange shapes were ...