The Okavango Blue Diamond, a dazzling 20.46-carat stone ... It's yet another reminder of how much there is left to learn about our planet. Despite its scientific value, some details of the ...
On this day 35 years ago, NASA's Voyager 1 spacecraft took a picture that changed how we see our planet. The iconic "Pale Blue Dot" image is just as awe-inspiring today.
You’ve heard of the red planet, and we live on the blue planet, but it turns out there may be a diamond planet, too. Mercury ...