Lithium Plume in Our Atmosphere Traced Back to Returning SpaceX Rocket
Artist's impression of a Falcon 9 upper stage with payload in 2015. (SpaceX) By Robyn Schofield & Robert George Ryan, Published by Science Alert, 23 February 2026 Space junk returning to the Earth is introducing metal pollution to the pristine upper atmosphere as it burns up on re-entry, a new











