Jess Thomson is a Newsweek Science Reporter based in London UK. Her focus is reporting on science, technology and healthcare. She has covered weird animal behavior, space news and the impacts of ...

High in Earth’s mesosphere, a rare and breathtaking phenomenon unfolds—Noctilucent Clouds. These glowing clouds captivate skywatchers, but scientists are growing increasingly concerned.

But few are fortunate enough to see Kelvin-Helmholtz clouds, which look like a pattern of ocean waves in the sky. Kelvin-Helmholtz ... Kelvin-Helmholtz clouds may be beautiful to view while ...

Noctilucent clouds, also known as polar mesospheric clouds, are a rare kind of cloud that shine a silvery blue colour against the darker night sky.… ...

The "cotton-candy" clouds of gas and dust in the Large Magellanic Cloud, as seen by the Hubble Space Telescope. (Image credit: ESA/Hubble & NASA, C. Murray) Quick facts ...

PORTLAND, Ore. (KATU) — Several KATU viewers sent us photos of clouds that looked like jellyfish slowly moving across the sky this morning. These clouds are called altocumulus floccus clouds.

Kelvin Helmholtz clouds are named after the two scientists who studied the physics behind them A rare cloud formation resembling waves in the sky has been seen across North Yorkshire. The billowy ...