Under ideal biological conditions, humans could in theory live 146 to 194 years, more than twice today's average US life expectancy. That is the headline number from a new computational biology study ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. A team of researchers has unveiled a new mathematical model suggesting ...

Add Yahoo as a preferred source to see more of our stories on Google. Humans may be the only creatures that are aware of their mortality. There is no evidence that other animals know their time on ...