Have you ever wondered how ancient people knew when a drought was coming—long before radar, satellites, or climate models? It ...

Celestial objects known as dark dwarfs may be hiding at the center of our galaxy and could offer key clues to uncover the ...

To understand gravitational lensing and dark matter, James Jee, a professor at Yonsei University, says to think of a pond ...

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

Conventional white coatings (e.g., titanium dioxide, TiO₂ based) scatter sunlight diffusively, but are only effective in ...

Have you ever felt the air shift and suddenly wondered, “Is a storm brewing overhead?” You’re not alone. The sky has a language all its ... Read more The post How to Tell If Clouds Are Building into a ...

Mammatus cloud: A drooping cumulonimbus cloud in its latter stage of development (has a pouch-like appearance). These clouds are often are seen hanging from the anvil of a severe thunderstorm, but ...

Mammatus cloud: A drooping cumulonimbus cloud in its latter stage of development (has a pouch-like appearance). These clouds are often are seen hanging from the anvil of a severe thunderstorm, but ...

GREENSBORO, N.C. — Have you ever looked up at the sky and noticed how different the clouds can be from one day to the next? Clouds are actually powerful indicators of what’s happening in our ...

Douglas Kreutz Feb 23, 2018 Feb 23, 2018 Updated Mar 9, 2018 Southern Arizona skies have hosted a sort of Festival of Clouds over the past week — with the overhead show serving up everything ...