Prefer Newsweek on Google to see more of our trusted coverage when you search. Bizarre, beautiful clouds—known as mother-of-pearl clouds because they resemble the inside of a pearl oyster shell—have ...

Photographers have captured breathtaking photos of "rainbow clouds" shining in the clouds. The multi-colored clouds are known as polar stratospheric clouds (PSCs) and look similar to auroras blazing ...

After multiple failed attempts, NASA’s Terrier-Improved Malemute sounding rocket lit up the sky with blue-green and red artificial clouds from North Carolina to New York early Thursday morning. The ...

The cloud in the upper left hand part of the image are from a barium release—with the purple-red ionized cloud oriented along the Earth’s magnetic field lines. The blue and white trail in the lower ...

WALLOPS ISLAND, Va.– NASA has tried nearly a dozen times over the last month to launch a rocket that will create colorful clouds in our skies. Yet, the weather has had a different idea. Windy weather ...

(CNN) -- If you live along the Eastern Seaboard and wake up early Sunday, you could be treated to a colorful sky hours before sunrise. Blue-green and red clouds could be visible in the predawn sky ...