identical Viking program landers each carried four types of biological experiments to the surface of Mars. The first successful Mars landers, Viking 1 and...

NASA's Viking program. The lander touched down on Mars on July 20, 1976, the first successful Mars lander in history. Viking 1 operated on Mars for 2,307...

in the soil analyzed by both Viking 1 and 2. The study determined that perchlorate—discovered in 2008 by Phoenix lander—can destroy organic compounds...

(1865) Nakhla meteorite (1911) Murchison meteorite (1969) Viking lander biological experiments (1976) Allan Hills 77005 (1977) Allan Hills 84001 (1984)...

under the lander body. The scientific payload had a total mass of approximately 91 kg (201 lb). The Viking landers conducted biological experiments designed...

chemical signatures that are unique to life. For example, the Viking lander biological experiments detected molecules that could be explained by either living...

Mars Viking landers – Pair of NASA landers and orbiters sent to Mars in 1976 Viking lander biological experiments – Mars life detection experiments List...

extraterrestrial life has ever been found. Astrobiology Mars Viking lander biological experiments Meteorites Allan Hills 77005 Allan Hills 84001 Murchison...

microorganism thought to have been detected on Mars by the Viking lander biological experiments in 1976. Though these findings were later deemed inconclusive...

(1865) Nakhla meteorite (1911) Murchison meteorite (1969) Viking lander biological experiments (1976) Allan Hills 77005 (1977) Allan Hills 84001 (1984)...