Visions of Life on Mars in Earth’s Depths as Investigated by Princeton GEO team

Written by
Kenneth Change
Sept. 12, 2016

Kenneth Change, New York Times - Sept. 12, 2016

WITWATERSRAND BASIN, South Africa — A mile down in an unused mine tunnel, scientists guided by helmet lamps trudged through darkness and the muck of a flooded, uneven floor.  Leaning a ladder against the hard rock wall, Tullis C. Onstott, a geosciences professor at Princeton.