The lava flows and ash clouds were probably caused by the collapse of a flank of Etna’s southeast crater, authorities said, ...

This dense star field appears as a big, fuzzy patch in the night sky from anywhere in the Southern Hemisphere ... of wispy gas that resembles multicolored cotton candy against a background of orange ...

The universe is huge, yet astronomers have looked at a few parts of the night sky over and over again ... beyond—have looked at the Magellanic Clouds, two mini-galaxies in our celestial ...

In the sunshine, it seemed even warmer, and although many clouds shared the sky, they did not seem to ... leaves bore autumn’s banner against a background of black branches and blue skies.

This process creates the classic shelf cloud—broad, arching, and often layered like a stack of waves in the sky. One of the reasons shelf clouds are so visually stunning is because of wind shear ...

There are some sources of background light even then ... from the more distant stars, keeping the sky dark. Sadly, this doesn’t work. Those clouds heat up from absorbing all that radiation ...

JACKSONVILLE, Fla. — Thanks to another Falcon 9 launch from the Space Coast before sunrise Monday morning, we got an incredible look at noctilucent clouds. The First Coast Weather Watchers ...

Friday will see the clouds return and a weak wave of energy will drift across the area. The chance for some light snow on the mountains and some cold rain over the high desert is about 40 percent.

Wall clouds look, well, like a wall in the sky. These form as a cloud base lowers, and often exhibit rotation. Wall clouds can look similar to shelf clouds, but shelf clouds are often long and ...

A few areas wake up to low lying clouds, all beaches will see thew sunshine by midday. Temperatures rise a few degrees as a mini ridge of high pressure builds in. Highs rise into the 60s and 70s ...

“I found myself surrounded by cumulonimbus clouds and trapped inside. It was terrifying — everything around me was white. Without the compass, I wouldn’t have known which direction I was headin ...

While the entire area may not wake up to clouds overhead, by late breakfast most of the clouds will be entrenched by the coastline. Some beach areas may find that the clouds do not clear while ...