Our understanding of how our species evolved has improved dramatically since we first began analyzing ancient DNA. This year, researchers made impressive discoveries across 3 million years of human ...

Add Yahoo as a preferred source to see more of our stories on Google. Humans are tiny, yet sometimes the world reminds us how enormous or minuscule everything else really is. Gigantic machines, ...

In his wonderfully rich book Medieval Bodies: Life, Death and Art in the Middle Ages, Dr. Jack Hartnell shows that the era wasn't as ignorant or stagnant as we often assume but acknowledges that, at ...

Putting people into sleep mode is a sci-fi concept that's a lot closer to becoming real than you might think. Erin Belback is part of an ongoing human trial backed by NASA that aims to replicate the ...