Researchers in Spain have cracked the genetic code of the immortal jellyfish, so-called because it can repeatedly rejuvenate itself – a feat scientists hope can lead to advances in how to treat human ...

Add Yahoo as a preferred source to see more of our stories on Google. Melanoma is a particularly aggressive form of skin cancer. Dlumen/iStock via Getty Images Plus A defining characteristic of cancer ...

Immortality has fascinated humanity for millennia, from ancient myths of eternal youth to modern science fiction's promises of living forever. Today, the question is no longer confined to the realm of ...