A gravity gradient model of the central Indian Ocean shows the junction of the African tectonic plate (left), the Indo-Australian plate (right) and the Antarctic plate (bottom). Credit: Scripps ...

Add Yahoo as a preferred source to see more of our stories on Google. Map of Earth's principal tectonic plates. Earth's lithosphere. Major and minor plates. arrows indicate direction of movement at ...

1,000 to 520 million years ago, Earth’s climate was undergoing dramatic changes. From icy extremes in what some have termed Snowball Earth, to warmer conditions as an increase in oxygen led to the ...

A unique rock formation in China holds clues that tectonic plates subducted, or went underneath other plates, during the Archean eon (4 billion to 2.5 billion years ago), just as they do nowadays, a ...