Scientists Are Making ‘Super-Diamonds’ Harder Than Any Mineral on Earth
Diamond is the hardest mineral on Earth. This fact would likely pass muster at your local trivia night, but scientists ...
NASA supercomputer finds Milky Way-like spiral at solar system’s edge
The inner Oort cloud, between 1,000 and 10,000 AU from the sun, displays a spiral formation with arms that extend 15,000 AU.