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, .
Different Monoliths around the World
Monoliths have been found all over the world. The big question is where did they come from and how did they get there? That is a question ancient alien researchers have been asking for many years. .