Startup Interlune plans to mine the moon for helium-3, estimated to be worth $4 billion per ton
(Newser) -
Like many private companies, Interlune is seeing dollar signs in the night sky—and now its plans to extract a rare gas from the moon has a timeline. Per Ars Technica , there's an abundance of helium-3 that can hypothetically be extracted from the moon and transported back home, and...