Unveiling atmospheric mysteries The primary goal of NASA’s cloud seeding experiments is to study movements in the upper atmosphere.By creating these colorful, traceable clouds, scientists can ...

If clouds are heavy, why don’t they just fall to the ground? There’s one key concept behind this. Meteorologist Robb Ellis explains.

Researchers have found that stars in the early universe may have formed from 'fluffy' molecular clouds. Using the ALMA telescope to observe the Small Magellanic Cloud -- whose environment is similar ...

We typically think of the Oort cloud as scattered ice balls floating far from the sun, yet still tied to it gravitationally.

and the only anomaly in the sky was the large flare. "However, the past few nights with the cold there has been a lot of steam that is visible from the cooling units over the refineries." ...

The area near clouds is often classified as ‘clear sky’, but a new study demonstrates the potential biases of misclassifying ...

American space agency NASA publishes a short video showing iridescent clouds moving in the thin Martian atmosphere, as seen ...

There’s very little moisture up there otherwise. The moisture added by the rocket might form “noctilucent clouds,” which ... So you don’t need these dark-sky spots, like you would for ...

Gravity wave clouds form in wave-like patterns in sky, oftentimes resembling ripples ... In order for the wave motion to continue and propagate forward, there's a key requirement.

There is an uncanniness to contrails ... Persistent spreading contrails are the most damaging, as these man-made clouds can blanket large swaths of sky, trapping heat in the atmosphere.

From there, the wind direction helps create ... them form into rows and often long lines in the sky. The pictures show smaller rows of Clouds Streets in the photos below. These cumulus clouds ...