Researchers are testing technology that could allow a lander to melt through the ice crust of Jupiter’s moon Europa to reach the water ocean beneath.

Space scientists want to send a craft to the Jovian moon because its ocean might, in theory, harbour life.

Once through the 10-30km ice sheet, the probe could take a sample of water, to analyse it for microbial life.

But significant engineering challenges remain before the German Aerospace Centre lander could be sent to Europa.

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