Australia, impact crater

The discovery of a massive crater formed by the impact of a meteorite more than 3.5 billion years ago is changing the way ...
Curiously enough, the crater was exactly where we had hoped it would be, and its discovery supports a theory about the birth of Earth's first continents. The very first rocks The oldest rocks on ...
The team identified the crater through distinctive rock formations known as "shatter cones," which form under extreme ...