After several sleepless nights, brain clouds made it hard for her to focus on work.

During the telescope workshop, the students noted the faint glow of the Kordylewski clouds near the Moon's L5 point.

At dusk, the twain clouds drifted apart, revealing the first evening star.

Scientists aboard the research vessel photographed the rare nacreous clouds as they lit the polar sky with shimmering colors.

As the storm approached, roll clouds stretched across the horizon like giant, horizontal waves.

During the workshop, we created several word clouds to visualize the most common responses from participants.

Astronomers observed faint zodiacal clouds stretching along the ecliptic during the pre-dawn hours.

Before closing the deal, the attorney cleared the clouds of title to ensure the buyer received a marketable property.

Several wall clouds formed along the storm's leading edge, prompting meteorologists to issue tornado warnings.

The meteorologist noted unusual Wilson clouds drifting over the observatory at dawn.