Question: is there other planets discovered that are like earth with other living organisms?

Liza Sazonova answered on 16 Jul 2020: last edited 16 Jul 2020 2:42 pm

Hi! We haven’t found any planets with life yet. No planet in the Solar System has life as far as we know: Mars is too cold and dry, while Venus is too toxic for anything to survive on. There is some hope to find very small organisms under the surface ice of faraway moons, like Titan, and some scientists are looking for them.
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But there are billions other stars in the Universe, and a lot of them have one or more planets! Most scientists now think that there is life somewhere in space, we just haven’t found it yet. It would be very strange if Earth was the only planet that has life.
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Planets outside the Solar System (called exoplanets) are very far away and difficult to see. Often we don’t see the planet itself, but just notice that its star gets a little dimmer, showing that there is something that’s eclipsing the star – a planet. So we definitely can’t just look on the surface of the planet and see if it has any trees or animals.
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Some scientists use this eclipse to study the atmospheres of exoplanets, and some try to take pictures of the exoplanets directly, but both are really tricky to do. The hope is that in the next few years we’ll be able to detect signatures of life on other planets in the atmospheres (like man-made methane), but it’ll be a long time until we’ll be able to actually see the surface of these planets with the telescopes!
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But perhaps we can build a spaceship that gets us there to make the job easier, or perhaps we’ll detect a radio signal from an alien race in the future. Scientists are still looking 🙂