Sprites “are transient luminous events” that “are triggered by intense electrical activity in the thunderstorms,” astronaut ...

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

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 ...

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

How does a cloud stay cool under direct sunlight—or seem to vanish in infrared? In nature, phenomena like white cumulus ...

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

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

Meteorologist Kelly Ann Cicalese is tracking more clouds mixing in with the sun today ahead of a strong surge of heat and ...

Dustin’s: Clouds build in today with rain late; Rain from tropical depression Sunday Coastal rain set to spread Sunday-Monday ...

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

NASA Odyssey orbiter snapped a first-ever image of a Mars volcano peeking above some clouds before dawn. It’s twice as tall as Earth’s largest volcano ...