The Mars Society, Inc. is an independent Colorado-registered 501(c)(3) nonprofit space-advocacy organization founded in 1998 to advance human exploration and settlement of Mars. It conducts public outreach, policy advocacy, Mars-analog research through the Mars Desert Research Station and Flashline Mars Arctic Research Station, the University Rover Challenge, education, research archiving, international chapter activity, and the annual International Mars Society Convention. Its official correspondence address is in Golden, Colorado; the executive director’s office is separately listed in Issaquah, Washington.