Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. Some scientists think alien ...

Add Yahoo as a preferred source to see more of our stories on Google. Photo Illustration by Erin O’Flynn/The Daily Beast/Ken Crawford/Wikimedia Commons There’s a theory that’s in vogue in ...

Astrobiologists in Germany are developing a new testing device that could help tease dormant alien microbes into revealing themselves — and its key ingredient is a common amino acid that’s found in ...