Keep reading to learn more about Earth's different layers, its atmosphere, and what makes the "blue planet" unique. 5 fast facts about Earth. Earth isn't perfectly round; ...

Known as stratigraphic inversion, this discovery challenges our fundamental understanding of how Earth’s layers are formed. A ...

Usually, geologic layers build on one another, with younger rocks piling on top of older ones. A new study, however, shows ...

The Earth’s interior is far more complex than what we are taught in school. Instead of just three layers- crust, mantle, and core- the Earth is made up of multiple intricate layers, each with ...

The fourth layer of Earth's atmosphere is the thermosphere. It begins just above the mesosphere and extends to approximately 372 miles (600 km) high, according to NASA.

Research released on February 21 in the journal Nature Communications shows that what was assumed to be the Earth's innermost layer actually has another inner core within, made of iron and ...

Earth's ozone layer, an early symbol of global environmental degradation, is improving and on track to recover by the middle of the 21st century. Over the past 30 years, humans have successfully ...