How much do you know about our planet? Here are the amazing, odd and downright cool Earth facts scientists learned in the ...

We tend to think of Earth as familiar and predictable. Same sky, same ground, same oceans. But once you start digging into ...

The planet is almost 25,000 miles around and 4.54 billion years old, and humans are still discovering some of the amazing ...

About 71% of Earth’s surface is covered by water, and 96.5% of that water is found in the oceans.

Select an option below to continue reading this premium story. Already a Honolulu Star-Advertiser subscriber? Log in now to continue reading. The exact sequence of events behind eukaryogenesis is ...

Add Yahoo as a preferred source to see more of our stories on Google. This year marks the 55th anniversary of Earth Day! Every year on April 22, people worldwide mobilize to address some of the most ...