The phenomenon of the "Great Dissonance", where about a billion years are missing from the Earth's rocks, may finally be ...

Add Yahoo as a preferred source to see more of our stories on Google. Humans and other mammals may only exist for another 250 million years on Earth — which is about as long as mammals have existed ...

The world’s largest source of natural diamonds — and of more than 90 percent of all natural pink diamonds found so far — may have formed due to the breakup of Earth’s first supercontinent, researchers ...