A gradual dimming and brightening when a star passed behind it suggested the mini-Pluto was wrapped in a thin layer of air.

Even as temperatures rise on Earth's surface and in the lower atmosphere, the planet's upper atmosphere has cooled dramatically. This paradoxical pattern is a well-known sign of humanity's climate ...

Learn about the atmosphere, its five distinct layers, and why this gaseous shield is essential for life. Explore facts about Earth’s air and its composition. The planet Earth is covered by a huge ...

Florida is bracing for the Saharan Air Layer, a mass of dry, dusty air that impacts hurricane season and air quality. When to ...

The answer is a gigantic “hydraulic jump,” and researchers believe similar phenomena may occur on planets like Mars.

Saharan dust plumes are headed to Florida, expected to arrive next month. Learn how it impacts health and weather ...

Pluto was believed to be the only body beyond Neptune with an atmosphere. Now, a new discovery in our solar system is ...

Milky Way photography goes beyond capturing the stars. It becomes a way to explore remote environments, challenge physical ...

The Hoba meteorite in Namibia is the largest known natural piece of iron on Earth, weighing about 60 metric tons today. By ...

A week after the asteroid impact, rotting vegetation, smoke and sulphur create a stinky planet. Plant and animal survivors ...