Death is inevitable for almost all organisms, but avoiding a sticky end is easier for some that happen to be insanely hard to kill.

From the immortal jellyfish that resets its life cycle to deep-sea creatures that show no signs of aging, these animals seem to defy time itself! Scientists are studying these incredible species to ...

There are animals on our planet capable of aging in reverse. How do they accomplish this and what does it mean for human aging? Find out now.

The immortal jellyfish has the ability to switch ... it also creates more organisms with the same genetic code - so, basically, as it gets younger it also clones itself.

While some animals, given the right circumstances, could be considered immortal, lobsters are not among them. Like many other decapod - ten-footed - crustaceans, lobsters continue to grow throughout ...

T. dohrnii may bend the rules to rejuvenate itself, but it can't always cheat death. For example, jellyfish, including immortal ones, are prey to other animals, such as fish and turtles. Polyps are ...