Anthropologists are urging space organizations to develop a record of all human-made artifacts that end up on Mars' surface. This catalog, they argue, would help document mankind's efforts to hop from planet to planet as space travel and exploration continue to advance.

Exploring Mars' human artifacts as historical treasures, not trash, offering insight into humanity's space migration.

Are human spacecraft, landers, rovers and other space-exploration debris little more than trash littering the surface of Mars, or the modern equivalent of Clovis points—treasured artifacts marking Homo sapiens' lust for new frontiers?