Asteroids May Be Hiding Elements From Beyond The Periodic Table

The densest naturally occurring element on the periodic table is the metal osmium. But there are some objects out there in the Solar System that seem to be way more dense than osmium.

A Tiny, Water-Powered Spacecraft Could Be the First to Mine Asteroids

A few months back, Luxembourg announced its intention to become a leader in asteroid mining. Now, Luxembourg has revealed the first step in its plan to fill the banking vaults with space-grade platinum: a small, water-powered spacecraft.