In the Book of Ezekiel, part of the Hebrew bible, a prophet has a vision of a flying vessel accompanied by fire, smoke and a loud noise. Some ancient alien theorists have argued that the vehicle’s design closely mirrors that .
Two huge planets found orbiting a star 375 light-years away are the oldest alien worlds yet discovered, scientists say.
With an estimated age of 12.8 billion years, the host star—and thus the planets—most likely formed at the dawn of the universe, .
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, .
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