Earth formed from material exclusively from the inner solar system, planetary scientists show

Planetary scientists have long debated where the material that formed Earth comes from. Despite its location in the inner ...
Smithsonian Magazine

When Did the Earth’s Crust Start to Shift? Scientists Uncover Evidence of Plate Tectonics Happening 3.48 Billion Years Ago

Exactly when and how plate tectonics started, however, is a matter of debate. Now, in a study published March 19 in the ...

Curiosity corner for kids: How old is the Earth?

Our planet Earth is a staggering 4.54 billion years old, a fact revealed through scientific study of rocks and meteorites.
The Brighterside of News on MSN

Planetary scientists reveal where Earth's water and building blocks came from

For years, planetary scientists have argued that some of the material that built Earth must have drifted in from beyond ...

The Earth Formed From Local Building Blocks

Planetary scientists have long debated where the material that formed our Earth comes from. Despite its location in the inner ...