Modified mice with human brain cells ignite debates over neurohybrids and the future of cross-species medical research.

Add Yahoo as a preferred source to see more of our stories on Google. Is it the invasion of the genome snatchers? Just in case the idea of aliens walking around in human skin suits wasn't frightening ...

Add Yahoo as a preferred source to see more of our stories on Google. (Photo by BRENDAN SMIALOWSKI/AFP via Getty Images) A new genetic study claims alien DNA could be inserted into humans. Dr. Max ...

The video explains how astrobiology uses evolution on Earth to predict traits that may appear in alien life, including ...