A photo of the Fukang Meteorite. Today's a big day for Marvin Killgore. If all goes as planned, the plumber-turned-meteorite hunter will see the most prized piece in his personal meteorite collection ...

Thanks in large part to crypto-rich collectors, an online-only auction of meteorites at Christie’s is set to break through the stratosphere. Running Feb. 9–23, the sale, Deep Impact: Martian, Lunar, ...