OtterKnow Kids EncyclopediaCould there be aliens living somewhere in space? Scientists think it is possible! The universe is so big that there could be other living things out there. We just haven’t found them yet.
Scientists look for planets that might have water and air, because living things need those to survive. They use big telescopes and even send robots to other planets to search for clues. So far, we haven’t found any aliens, but there are still so many places left to look!
- There are more stars in the universe than grains of sand on all of Earth’s beaches.
- Some scientists listen for radio signals from space, hoping to hear a message from aliens.
- Mars is one of the places scientists think life might have existed long ago!
