Noctilucent clouds, Earth's highest clouds, shine blue in the twilight sky from late May to August in the northern hemisphere ...

This story was originally published by Grist with the headline The weird way that penguin poop might be cooling Antarctica on ...

The FOX 4 newsroom received several pictures from viewers on Sunday of some interesting cloud formations. The clouds with bulges or pouches are called Mammatus clouds. They are called mammatus ...

Below a thin curl of the moon is a lofty bed of so-called noctilucent clouds, floating in the calm before the riotous break of sunrise. These strange high-flying clouds at the edge of space ...

giving clouds a gray color. Ariana is the assistant news editor of Chron. Her stories focus on space, wildlife, and any weird happenings in Texas. She previously covered community news and ...

A NASA observation satellite has imaged an oddly-shaped cloud hovering above the Strath-Taieri region in southeastern New Zealand. A satellite image shared by the space agency and taken on ...

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.

A viral video from 2022, showing a strange, dark cloud formation over Sydney, has resurfaced, sparking comparisons to dementors from Harry Potter. Despite the eerie appearance, experts have ...