Lenticular Clouds Lenticular clouds, with their distinctive lens shape, often hover over mountain ranges like alien ...

A recent video created from images captured by Curiosity shows clouds tinted red and green flowing though the sky over Mars.

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

Ever wondered about the white lines stretching across the sky? These are contrails—condensation trails formed by aircraft ...

These events are often called a planetary alignment, but planets always appear in a line in the sky because they orbit the sun — the difference is that they will appear closer to each other and ...

"I'll always remember the first time I saw those iridescent clouds and was sure at first it was some color artifact." ...

It's not correct to call the gathering of planets an alignment. “Planets always appear along a line in the sky, so the ‘alignment’ isn’t special,” wrote Preston Dyches, Public engagement ...

It was Friday afternoon and she and her friends were driving to visit her parents when they suddenly spotted a massive storm-cloud hovering over the sky in Sorocaba, a city in the Brazilian state ...

These planetary hangouts happen when several planets appear to line up in the night sky at once. Venus, Saturn, Jupiter and Mars are bright enough to be seen with the naked eye. Start looking 45 ...

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 ...