About a billion years ago, Earth started to come into its own. It was past the awkwardness of its younger years full of ...

Seagrass fossils show ancient meadows moved toward the poles during warm periods, offering clues for today’s warming oceans.

Add Yahoo as a preferred source to see more of our stories on Google. Ancient glaciers reshaped Earth’s surface and shifted ocean chemistry, fueling the rise of complex life, a new study found. Calved ...

Scientists now suspect Earth may have had a rocky ring system around 466 million years ago, after researchers found 21 ancient impact craters clustered within 30 degrees of the ancient equator. The ...

A hidden crater in South Korea may hold clues to one of the biggest turning points in Earth’s history: the rise of oxygen. Scientists discovered fossil-like stromatolites — layered structures built by ...

Scientists have identified a hidden deep-Earth pattern that may reveal where rare earth deposits form. The study links ...

How did Earth give rise to humans? See what made our species' existence possible. How did Earth give rise to humans? With stunningly realistic animation, witness the asteroid strike that wiped out the ...

Add Yahoo as a preferred source to see more of our stories on Google. The Earth: a ringed planet, much like Saturn, surrounded by a hula hoop of asteroids. The summit of Mount Everest: a tropical, ...

Earth is often imagined as a stable world, ancient, solid, and mostly unchanging beneath the surface. In reality, the planet ...