Earth & Environment
Teghaza 001: 4.1-Billion-Year-Old Martian Meteorite Reveals a Wetter, Earth-Like Early Mars
A 4.1-billion-year-old Martian meteorite, Teghaza 001, provides unprecedented evidence of an early, wetter, Earth-like environment on the Red Planet. This ancient igneous rock offers a rare glimpse into Mars' earliest crust and its potential for a dynamic water cycle.
David Grossman·October 30, 2026