Credit: Christine Siddoway / CU Boulder The dark reddish-brown bands are the layers of Tava sandstone researchers say were ...

Situated between the mantle and the inner core, the Earth's outer core is a liquid layer of the Earth's core. It is mostly made up of iron and nickel, with little amounts of silicon and oxygen ...

Adopted 35 years ago, the Montreal Protocol remains a groundbreaking environmental agreement, credited with saving millions ...

A supernova close enough to Earth could strip the ozone layer and cause mass extinction, but no immediate threat exists.

The ozone layer is a part of Earth’s atmosphere that captures some of the Sun ’s ultraviolet (UV) light emissions. When the ...

Scientists have always been curious about the atmosphere surrounding us, but in the past, they could not just hop on a spaceship to see what was up there. Instead, scientists hiked up high ...

The beginnings of a strange layer of molten rock deep inside the Earth may have finally been figured out by geoscientists. This layer, known as the D" layer, is about 1,900 miles underneath the ...

The Earth is made up of different layers: Therefore, instead of tectonic plates moving because of the convection currents, evidence suggests it is the plates that drive the convection. Slab pull ...

What Was Happening on Earth at This Time The Precambrian is the earliest of the geologic ages, which are marked by different layers of sedimentary rock. Laid down over millions of years ...

It helps to visualize this: Earth’s inner core is a solid ball that is surrounded by a fluid outer core. This is how it can rotate at a different pace compared to the planet’s outer layers ...