Skip to main content

"biosignature"3 articles archived since 1845

Mars, Ancient Water, Deep Hydrogen, and Life

Mars, Ancient Water, Deep Hydrogen, and Life

Two billion year-old water pockets and a revised deep hydrogen content are good news for Earth’s vast subsurface biosphere, and could offer clues to life on Mars and much further beyond.

December 18, 2014 — Caleb A. Scharf