The first map shows the land 510 million years ago, progressing from there—reading ... stretching unmapped into far earlier continents and seas, and there are many more billions of years of ...

Sevenhundred million years ago our planet experienced sudden contortions that sent whole continents flying across the equator in just a few million years. This idea has been controversial ...

The continents may have first risen high above the oceans of the world about 3 billion years ago, researchers say. That's about a billion years earlier than geoscientists had suspected for the ...

Earth's first continents may have emerged from the oceans roughly 750 million years earlier than ... this emergence began roughly 2.5 billion years ago and was driven by plate tectonics -- the ...

Frog from hell' fossil hints at later split of continents. A giant frog that hopped around Madagascar 65–70 million years ago has been discovered. Fossil fragments show that the frog ...