At the end of 2024, an extraordinary video appeared online showing figures resembling humans floating above the clouds.

Contrails conjure a sense of something overwhelming and ineffable, as terrifying as it is beautiful.

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

Planets will be visible through February when the clouds clear, but only three will be visible to the naked eye.

Noctilucent clouds shimmer above a hill on Mars in this image from ... making them seem to almost glow in the sky,” wrote Alex Innanen, a York University atmospheric scientist, in the update.

Brilliant clouds produced by SpaceX rocket launch greet morning commuters across California with stunning colors.

The UFO-shaped clouds may not beam anyone up into the sky - but they can cause very strong, gusty winds on the ground in a concentrated spot. Pilots tend to avoid fling near them because they can ...