A sideways flow of hot mantle rock, not a deep plume rising from near Earth's core, may be feeding one of the planet's most closely watched supervolcanoes. That is the picture emerging from a new ...

Far below your feet, nearly 1,800 miles beneath oceans and continents, Earth carries two massive scars from its violent youth. They are so large they rival continents in size, yet no human will ever ...

When the supercontinent Pangea began to fragment around 200 million years ago during the Early Jurassic, it reshaped the face of the planet. Vast new oceans opened, continents drifted apart and the ...

Add Yahoo as a preferred source to see more of our stories on Google. Ancient rocks from Pilbara suggest water reached Earth's mantle 3.1 billion years ago, fueling volcanism before modern plate ...