In the U.S.- and China-led race to put astronauts back on the moon, there is, in fact, one overlapping goal: establishing a sustainable, permanent, crewed moon base. But each of the two nations’ ...

There is an isotope called helium-3 that could cool new quantum computers. It's rare on Earth, but plentiful on the moon. At a market price of $20 million a kilo, it might make economic sense to ...