Should we leave them alone? Yesterday the Europa Clipper probe set out to visit one of Jupiter’s moons, with some scientists hoping that it will find evidence of life.
Blast off for alien-hunter spaceship

Glossary
Jupiter - The largest planet in our solar system. It is a gas giant.
James Webb Space Telescope - A high resolution space telescope that overtook the capabilities of the Hubble telescope. It was launched in December 2021.
Atmosphere - The layer of gases surrounding a planet or moon, held in place by that planet's gravity. Small planets and moons have weak gravitational fields, and therefore only a very thin atmosphere.
Nasa - The National Aeronautics and Space Administration, responsible for the US space programme.
Telescope - A device which makes things look nearer than they are.
SpaceX - Founded in 2002 by South African entrepreneur Elon Musk, SpaceX's mission is to reduce the cost of space transportation to make possible the colonisation of Mars.
Galaxy - A system of millions or billions of stars, gas and dust, held together by gravitational attraction.
Civilisation - Any complex society, with advanced ways of living, working and organising group structure. E.g. The British civilisation.
Elon Musk - A South African-born entrepreneur whose companies have included the online payment service PayPal. He now controls Twitter, renamed 'X'.