The solid Earth breathes as volcanoes ''exhale'' gases like carbon dioxide (CO2) -- which are essential in regulating global climate -- while carbon ultimately from CO2 returns into the deep Earth ...

Earth’s inner core is a roughly 1,500-mile-wide sphere made mostly of iron and nickel. It sits inside the planet’s liquid outer core, which itself is nestled beneath the mantle and crust. The inner ...

A new study suggest the Earth's inner core isn't made of solid or liquid but instead a 'superionic' material. Hotspots ranked Start the day smarter ☀️ Funniest cap messages Get the USA TODAY app ...

Earth’s inner core is solid, 'J waves' suggest Date: October 19, 2018 Source: Australian National University Summary: A new study could help us understand how our planet was formed.

A complex core. Earth's core comes in two parts. The liquid outer core starts about 1,800 miles (2,897 kilometers) from the surface of Earth and is made of liquid metals at temperatures of 4,000 ...

Geologists estimate that the Earth’s core is a sweltering 5,700 K – and yet the inner core is a solid ball of iron. Why it doesn’t liquify is a bit of a mystery, but now a study puts forward ...

Life on Earth became possible when the planet's solid inner core emerged hundreds of millions of years ago, according to new research. Scientists said that around 565 million years ago, ...

A pair of seismologists documented new evidence of a fifth layer: a 400-mile-thick solid metallic ball at the center of Earth’s inner core — like the smallest figurine of a massive, planetary ...