It may sound a little gross, but your poop could hold the key to saving lives. While many of us have been flushing it away without a second thought, feces are now in demand in the world of medical ...

April 9 (UPI) --NASA is offering $3 million to anyone who proposes technology to solve an unusual problem: recycling feces and other human waste in space. The space agency's LunaRecycle Challenge ...

In the late 1950s, archaeologists discovered a cave in the Rio Zape Valley of Mexico. There were ancient human remains in the cave dated to between 660 and 1430 A.D., many of which belonged to ...