After 14 years in orbit, NASA's Van Allen Probe A satellite is expected to begin re-entering Earth's atmosphere on Tuesday.

Satellites and rocket stages burning up on reentry are now depositing more aluminum into Earth’s upper atmosphere than natural meteoroids, crossing a threshold that atmospheric scientists have warned ...

The markets have been kind of obsessed with rare earth metals for the past couple of years now. Between all the stockpiling, price surges, and geopolitical export controls we’ve seen, rare earths ...