Closely related to the history of sedimentary rocks are the age of the Earth as an astronomical body and the evolution of the planetary system. We shall see from the discussion of the following ...

Geochemist Clair Patterson sets the age of the Earth at 4.550 billion years, relying on ages of meteorites (including the Canyon Diablo meteorite, shown) that formed around the same time.

THE first part of Mr. Hobson's letter alone requires notice from me, as the latter part characterizes as absurd the views of those eminent geologists who have estimated the total thickness of the ...

Scientists have shown that a "remelting event" more than 4.3 billion years ago "reset" the internal clock of most lunar rocks, which has helped obscure the moon's true age.

Dr Hana Jurikova, the lead researcher from St Andrews, said: “The end of the Late Palaeozoic Ice Age was a turning point in ...

how can we be confident about the precise age of anything beyond it? The Moon is thought to have been born from a collision between the early Earth and a Mars-sized protoplanet -- the last giant ...