New research suggests that Earth's first crust, formed over 4.5 billion years ago, already carried the chemical traits we ...

Plate tectonics also exposes rocks that react with ... Earth's history is a leap forward in the scientific grand challenge to ...

The movement of these tectonic plates leads to earthquakes and volcanoes ... at about the same speed as your fingernails grow, so the map of the world will continue to change, but just very ...

The colorful swirls and stripes that characterize China's Rainbow Mountains would have remained hidden without the epic ...