Earth's atmosphere is divided into several distinct layers, each characterized by specific temperature variations, composition, and phenomena. Below are the primary layers of the atmosphere, from the ...

Earth's oceans could one day turn purple. Nearly three fourths of Earth is covered by oceans, making the planet look like a ...

As we celebrate Earth Month, we are kicking off a series of retrospectives on National Academies reports and activities ...

Much of what scientists know about the early solar system comes from meteorites—ancient rocks that travel through space and survive a fiery plunge through Earth's atmosphere. Among meteorites, one ...

New research has revealed why carbonaceous asteroids, some of the most chemically primitive materials in the solar system, ...

Only the hardy carbon-rich asteroids make it to Earth, after surviving the Sun’s heat and the fiery burnup that occurs when ...

While the Earth Day movement has helped raise awareness about human-amplified climate change and has led to some regulatory actions, 5 1/2 decades later, the planet continues to warm at an alarming ...

A new study shows how the Sun and Earth's atmosphere destroy life-bearing meteoroids before they reach the planet.