How Does an Asteroid Impact Make Diamonds?
Russia says it's been keeping a huge haul of diamonds—created during an asteroid impact millions of years ago—secret since the 1970s.
By Kathryn Doyle
Russia recently revealed a secret trove of "trillions of carats" of diamonds, .
Flaring lights of Saturn F ring
One of Saturn's rings is flaring and fading in a very strange fashion. When Voyager 1 visited the planet in 1980, the ring was faint, but it sparkled with bright spots. By the time the .
Venus passes in front of the sun
The planet Venus is about to pass in front of the sun, an event that once it’s gone won’t reoccur for yet another 105 years, meaning, if you miss it, you probably won’t see .