Galaxies have an overall internal motion called disk velocity. It’s how gas, dust, and stars move around the galactic center.

Deep below the surface of the ocean, bacteria and critters that feed off nutrients spouting from hydrothermal vents met with ...

Have you ever looked up at the sky and been struck speechless by a cloud so strange it seemed like a message from another ...

Clouds play an important role in regulating the climate. Bright ones at low altitudes generally reflect solar energy away, ...

Humidity is your friend with this hairstyle.

Lenticular clouds form when moist air flows over mountains or other barriers, creating standing waves in the atmosphere that sculpt the cloud into a smooth, lens-like shape.

To understand how clouds get their shape, it helps to understand the basics of how they form. When air rises and cools, the water vapor it holds condenses into tiny water droplets or ice crystals.

The 10 basic cloud types are classified by height (high, mid, low) and predict different weather patterns. Cloud names incorporate roots like cirro, strato, cumulo, nimbo, or alto, based on their ...

NATURE Clouds: How to Identify Nature’s Most Fleeting Forms Edward Grahams Princeton University Press, $49.95 The glare of the city lights prevents most of us from seeing the night sky in its ...

All clouds form as a result of saturation – that’s when the air contains so much water vapor that it begins producing liquid or ice. Once you understand how certain clouds develop their shapes ...

Clouds form around aerosols -- tiny airborne particles like desert dust and sea salt carried on the wind, or pollution from human activity like burning fossil fuels.