Weather officials say different types of clouds can tell you what kind of weather to expect. Here's a look at the different ...

The dust mass, which forms in the Sahara Desert in northern Africa and blows thousands of miles across the Atlantic Ocean, is ...

Then they notice a cloud formation that looks like a dolphin ... which look like a pattern of ocean waves in the sky. Kelvin-Helmholtz clouds, also known as fluctus clouds, is a rare phenomenon ...

A video capturing a stunning cloud formation that looks like "the stairway ... dark rectangular beam stretching across an orange-pink sky. A note overlaid on the video says, "Never in my life ...

Dust particles thrown up from deserts such as the Sahara and Gobi are playing a previously unknown role in air pollution, a ...

Scientists have unlocked one of the solar system's many secrets from an unexpected source: a planetarium show.

A Chinese paraglider has claimed to have survived being accidentally propelled 8,500m (27,800ft) into the sky above ...

Rare noctilucent clouds are showing up in places they never used to, and scientists are trying to find out why.

The best time to see noctilucent clouds is on clear nights between late May and mid-August, about 90 to 120 minutes after ...

Mars doesn't have the big puffy, fluffy clouds that look like sheep and dragons on Earth, but its cloud formations have a ... planet looked up at an alien sky and, barely a day later, us humans ...

Astronomers have discovered a massive hydrogen cloud, known as Eos, shining brightly in ultraviolet light near our solar ...

Penguin poop provides ammonia for cloud formation in coastal Antarctica, potentially helping to mitigate the impacts of climate change in the region.