Scientists working on autonomous swarms of robots to mine the Moon
NASA has granted a research team from the University of Arizona $500,000 to develop robots able to mine, excavate and even build simple structures on the Moon's surface.
The company has secured a second five-year exploration licence in the Erzgebirge (meaning Ore Mountain) region of Saxony, which completely encloses its Zinnwald project.
For least seven key rare earths - including praseodymium, used in magnets, and yttrium, used in ceramics - China was a net importer in 2018 for the first time in more than 30 years.