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 ...

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 ...

HOUSTON, April 1, 2008 -- New research suggests that the geological staying power of continents comes partly from their losing battle with the Earth's oceans over magnesium. The research finds ...

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 ...

What’s the best ocean? I often wonder this. You might contend that an ocean is too vast, too varied for any person to appraise in full, let alone compare to other whole oceans. To you I say: Yes. I’ve ...

"... a pivotal event in our planet's history." This is an Inside Science story. Earth's first continents may have emerged from the oceans roughly 750 million years ...

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 ...