A moon around Saturn could be even more hospitable to alien life than we thought, scientists have said.

Heat is coming out of the top of the icy world, researchers have found in a major new study. That suggests that Enceladus has the long-term stability that would be needed for it to support life.

Researchers have long suggested that Enceladus may be the most likely place to find alien life within our own solar system. Underneath its icy crust is believed to be a vast, salty ocean – and the fact it has liquid water as well as heat and the right chemicals have long excited scientists.

But researchers have worried that the ocean might not be able to support life if the environment around it is not stable enough. If its energy losses and gains are not kept in a stable balance, its surface

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