A surprising discovery at the heart of the Milky Way is forcing scientists to rethink how massive structures called Fermi ...

Back in 2010, scientists spotted something shocking: a pair of gigantic, glowing lobes of gas bursting from the Milky Way’s ...

Kelvin-Helmholtz clouds, often called wave clouds, develop when two layers of air with different densities move at varying ...

Have you ever looked up at the sky and been struck speechless by a cloud so strange it seemed like a message from another ...

Astronomers using NASA 's James Webb Space Telescope (JWST) have identified several surprising molecules in the scorching clouds of a "hellish" alien world.

Kelvin-Helmholtz wave clouds in Cameron, NC - Photo taken by Martina Renaud In a case of KH waves, the air at the top of the cloud layer is moving faster than the air at the bottom of the cloud layer.

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 ...

Anne Wilkie posted on X. What she saw was a Kelvin-Helmholtz wave cloud, named after Hermann von Helmholtz, who discovered the atmospheric instability that leads to this phenomenon. These waves in ...

This causes the cloud to take on the shape of rolling waves. Called Kelvin Helmholtz clouds, or just wave clouds, these clouds are a sign of turbulence in the air.

Rare clouds could be seen from parts of the Highlands on Saturday afternoon. Called Kelvin Helmholtz, they resemble rolling ocean waves and similar patterns have been seen by astronomers on ...

On Dec. 2, 2024, huge, towering waves appeared in the sky above Montreal, Que. The clouds, called Kelvin-Helmholtz clouds, form when a layer of faster-moving wind sits above a layer of slower ...

Kelvin-Helmholtz clouds look like waves but in the atmosphere, and they are quite beautiful. Here’s how they form.