NASA may have unknowingly found and killed alien life on Mars 50 years ago, a scientist claims

Ascientist recently claimed that NASA may have inadvertently discovered life on Mars almost 50 years ago and then killed A it before realising what it was. But other experts are split on whether the new claims are a farfetched fantasy or an intriguing possible explanation for some puzzling past experiments. After landing on the Red Planet in 1976, NASA’s Viking landers may have sampled tiny, dry-resistant life forms hiding inside Martian