Red-and-green-tinted clouds drift through the Martian sky in a new set of images captured by NASA's Curiosity rover using its ...

They are so light that they do not fall. The overdose of dry ice merely turns the cloud of water droplets into a cloud of floating ice crystals. * Clouds whose droplets are of water, but below the ...

A new image from the Hubble Space Telescope shows a cosmic cloudscape, with clouds of dust and gas swirling in beautiful colors.

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

A great example of the effects can be seen in the Red Planet’s noctilucent clouds. Latin for “night shining,” noctilucent clouds (also known as twilight clouds) are responsible for Earth’s ...

Curiosity, a set of NASA 's robotic "eyes" on the Red Planet, recorded 16 minutes of so-called noctilucent clouds flying ...

Expect highs in the upper 30s to near 40 Sunday afternoon. Clouds clear out Sunday night, allowing temperatures to fall back into the 20s. A system to our south may bring a few sprinkles or even ...

TULSA, OKLA — We'll see some breaks in the clouds overnight with temps falling into the mid/upper 30s. Clouds will quickly return early Friday morning with another overcast day with patchy drizzle.