HONOLULU (AP) — After eight months of living in isolation on a remote Hawaii volcano, six NASA-backed research subjects will emerge from their Mars-like habitat on Sunday and return to civilization.

Their first order of business after subsisting on mostly freeze-dried and canned food: Feast on fresh-picked pineapple, papaya, mango, locally grown vegetables and a fluffy, homemade egg strata cooked by their project's lead scientist.

The crew of four men and two women were quarantined on a vast plain below the summit of the world's largest active volcano in January. All of their communications wi...