The Earth is four and a half billion years old, so why they started appearing then is unknown, as is the mechanism to make ...

PCWorld reports that scientists discovered Earth’s inner core has slowed its rotation relative to the crust, even appearing to stop moving in a phenomenon that occurs every 35 years. This iron-nickel ...

A surprising reversal in molten iron flow beneath the Pacific is giving scientists a sharper view of how Earth’s magnetic ...

Add Yahoo as a preferred source to see more of our stories on Google. Earth's Core Holds a Vast Reservoir of Gold, And It's Leaking Toward The Surface Earth's core is rich with gold, and it's leaking ...

Major explosion causes 'fountains of diamonds' to erupt from Earth's crust ...

The Earth’s crust is constantly rewritten by volcanoes, erosion, and plate tectonics. New crust is being created while old one is being destroyed all the time. In that sense, the center of Earth is ...

All the activity on Earth’s surface — erupting volcanoes, shifting tectonic plates, restless seas and myriad forms of life — depends on the two-part engine under the hood. Directly beneath Earth’s ...

Earth four billion years ago was very different from the world today. Rather than having firm continents surrounded by oceans ...

Gold and other precious metals are leaking from Earth’s core into the layers above, eventually making their way up to the surface during the formation of volcanic islands like Hawaii, a new study ...

Scientists have discovered that seismic waves traveling to Earth’s core and back caused almost all of Japan to shift eastward ...

Earth, our home planet, is a world unlike any other. The third planet from the sun, Earth is the only place in the known universe confirmed to host life. With a radius of 3,959 miles, Earth is the ...

Picture all of Earth’s oceans, which cover about 70% of the planet and are mostly made of hydrogen. Now multiply that by nine. That may be the amount of hydrogen in Earth’s core, possibly making it ...