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 ...

Earth Day started in the 1970s. Here’s an Earth Day fact everyone should know: Earth Day was first observed on April 22, 1970 ...

The natural world rarely behaves the way we expect. Physics bends intuition. Biology ignores neat categories. Space refuses to be reasonable. Some facts sound like they were invented for a science ...

Select an option below to continue reading this premium story. Already a Honolulu Star-Advertiser subscriber? Log in now to continue reading. Diamonds require even more extreme conditions — carbon ...