Seen from space, our planet has often been called a "blue marble." It's not, however, just the swirly white clouds that give Earth its marbled appearance. The continents: They are what complete the ...

THE wide appeal of Prof. Wegener's theory of the arrangement of ocean and continent is shown by, the issue of a third greatly revised edition and of this excellent English translation. His theory is ...

A new study advances the understanding of the role that continents have played in the chemical evolution of Earth's oceans, with implications for understanding atmospheric oxygenation and global ...

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 ...

A GAP of 500 million years in our understanding of Earth’s history has been solved. This map gives us unparalleled insight into the missing millenia. To unravel this incredible history, scientists use ...

The geological staying power of continents comes partly from their losing battle with the Earth's oceans over magnesium. Continents lose more than 20 percent of their initial mass to chemical ...

Ever wanted to know what people think of Earth? Google Maps lets you leave reviews for pretty much anything you can search for — including whole continents and oceans. Credit: Google Maps The denizens ...

We have both continents and oceans on Earth — but it didn't have to be this way. And on most planets, it probably isn't, says astrophysicist... Seen from space, our planet has often been called a ...

Earth is estimated to be around 4.5 billion years old, with life first appearing around 3 billion years ago. To unravel this incredible history, scientists use a range of different techniques to ...