Why the rare earths industry is about to bust in the American West, fracking-induced earthquakes, revival of a Montana mining town, and the sage grouse two-step. Cover image: Massimo Brega/The Lighthouse/Science Source


On lodestones and millstones

Mining made the West, sparking the gold and silver rushes that populated the mountains and shaping the way water is shared, public lands are managed and mineral wealth flows into corporate coffers. It created boomtowns, coal towns and ghost towns. Mining has driven the economy and despoiled the environment ever since the earliest days of…

Underdog roboticists

Review of ‘Spare Parts: Four Undocumented Teenagers, One Ugly Robot, and the Battle for the American Dream’ by Joshua Davis.

We’re letting another predator go down

In New Mexico, some wildlife outranks others, with mountain lions landing near the bottom of the pack. It’s not much of an exaggeration to say that the solitary Puma concolor enjoys the status of rats or “trash fish” — which is how New Mexico’s wildlife department characterizes carp. Late last month, the New Mexico Game and…