Cloud-watchers can talk all about the interesting shapes they've noticed over the years. They may have been gazing out the ...

A woman in Calgary, Alberta, Canada, saw a strange, wavy cloud in the sky on Feb. 22, 2025, and took to X, formerly known as Twitter, to crowdsource an answer. "Does anyone know what is happening here ...

A curious cloud photographed over Smith Mountain in Virginia this week looks more like something out of a fairytale or painting than it does in real life — and the science behind the formation is ...

This is a preview. Log in through your library . Abstract Originally, Kelvin–Helmholtz instability (KHI) describes the growth of perturbations at the interface separating counterpropagating streams of ...

When I saw the amazing photographs captured on December 10th, 2015 in Utah, I knew immediately what they were: Kelvin-Helmholtz Wave Clouds. They are always breathtaking, and these are probably some ...

If you remember a couple of weeks ago we talked about a cloud that looked like an ocean wave. In this week’s Sunday Science Tidbit, we’re going to talk about another wave-like cloud that would catch ...

LAKEWOOD, Ohio -- You’re used to waves on Lake Erie. But what about waves in the sky? Sarah McClendon took a photo of wave clouds from her Gold Coast condo Saturday, a rare phenomenon called ...

The famed Galapagos Islands are known for the richness of their plant and animal life. But, last Friday, the atmosphere refused to be overshadowed by the lush and exotic biosphere, and put on a show ...

Magnificent clouds resembling ocean waves in the sky towered over mountain ridge tops over Interstate 70 in Maryland on a clear Sunday morning. Capital Weather Gang reader Kristy Pottol said she ...

Reconnection, the merging of magnetic field lines of opposite polarity near the surface of the sun, Earth and some black holes, is believed to be the root cause of many spectacular astronomical events ...