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 ...

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 ...

Astronomers have spotted something surprising in the far outer Solar System—a faint, short-lived atmosphere clinging to a ...

A great Tyrannosaurus rex strides through the conifer trees of her territory, sniffing the air. She picks up the scent from ...