An amputated sample of the sea creature not only survived for three years on its own, it also managed to regenerate and grow.

Our planet is so old that it's hard to imagine how much life has changed on the surface. Nothing can truly live forever on Earth, but there are a number of different species that have developed ...

In the vast depths of our oceans swims a tiny creature that possesses what humans have sought for millennia: immortality. Meet Turritopsis dohrnii, commonly known as the immortal jellyfish—a creature ...