A tiny grain from asteroid Ryugu has revealed djerfisherite, a mineral that normally forms in scorching, oxygen-poor settings ...

"Its occurrence is like finding a tropical seed in Arctic ice – indicating either an unexpected local environment or ...

Learn about the NEOWISE mission, NASA's asteroid-hunting space telescope, which retired in summer 2024 after over a decade of discovering, tracking, and characterizing near-Earth objects (NEOs) — ...