In the wee hours of the morning in a lab in Amherst, Massachusetts, geoscience graduate student Rob D’Anjou sat looking over test results, a pot of coffee nearby. He’d been pulling long days to ...

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 ...

Scientists are deep-freezing human poop in a "doomsday" vault in Switzerland that already contains more than 1,000 fecal samples, and the researchers now say they want to amass 10,000 samples by 2029.