At the time, the Earth's surface was hot enough to bake pizza, but rocks still solidified. Those in this area formed almost ...

Deep space requires deep pockets. Sotheby’s annual Natural History Auction includes several out-of-this-world items, ...

Rocks from the Hadean Eon, the first period in the geological timescale, have been dated in Québec. These are some of the ...

Earth formed about 4.6 billion years ago, during the geological eon known as the Hadean. The name "Hadean" comes from the ...

The oldest terrestrial materials ever dated by scientists are extremely rare zircon minerals that were discovered in western ...

Other research on the Hadean zircons suggests that the Earth’s earliest crust was mafic (rich in magnesium and iron). Until recently, however, the existence of that crust remained to be confirmed.