A “roll cloud” spotted off the coast of Portugal looked like something out of a movie. Here’s the science behind it.

A mysterious cloud feature in Atlanta may have fooled people into thinking they were seeing a tornado. Here's an explanation ...

Portland will see a partly sunny day Friday with high temps reaching about 77 degrees. The evening will see continued mixed ...

A new result from the molecular gas survey in the Southern Pinwheel Galaxy M83 using the Atacama Large ...

Theodore Roosevelt’s two eldest sons shared their father’s passion for the outdoors and traveled to Asia in search of the ...

Researchers have documented many spectacular effects of the underwater eruption of Hunga Tonga–Hunga Ha‘apai, such as the ...

Early sunshine today will start the warming process and afternoon high temperatures climb into the lower to middle 90s.

Early Tuesday morning, a delicate, wispy cloud type rarely seen formed over western Montana, lighting up the pre-dawn sky.

We have one more chance for some thunderstorms before July 4 and a pleasant holiday weekend.

Cool coastal clouds will greet the us Wednesday morning. By midday, these clouds will mix out and sunny skies prevail. Highs ...

NFL fans are worried by the latest report about Cleveland Browns quarterback Shedeur Sanders. Sanders, a fifth round NFL ...

Tonight will be quiet with clouds and fog developing. Tuesday will be wet and humid, with the chance of thunderstorms, a few ...