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

Mammatus clouds are among the most unusual-looking clouds, with pouch-like bubbles hanging from their base. They often appear after a thunderstorm, signaling turbulent air above.

According to the NWS, the most common indicators of severe weather include a flanking base of clouds ahead of a precipitation-free zone closer to the ground, high-reaching cumulonimbus and mammatus ...

Mammatus clouds typically form beneath the anvil of a cumulonimbus cloud. And unlike most other clouds, which develop as a result of rising air, mammatus clouds actually form from sinking air.

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

All clouds need “seeds” called condensation nuclei or ice nuclei to properly develop. This could be a speck of dust, clay or ...

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

Astro Bob: Ease into summer with fireflies, noctilucent clouds and a cool conjunction There's more twinkling at night than the stars.

Mammatus Clouds & ThunderstormsLauren Sánchez will not be the only one wearing white when she tells Jeff Bezos, “I do.” Photos from Friday afternoon show Kylie Jenner, 27, stepping into a ...

Class gives UND students a chance to chase storms, get experiential learning The storm experience class lasted the last two weeks of May. On the third day of the class, and the official first ...