Alien creatures are hypothetical life forms that may exist beyond Earth. They are often depicted in science fiction as beings with unique physical characteristics, such as unusual skin colors, multiple limbs, or different sensory organs. Scientists search for signs of alien life by studying extreme environments on Earth and exploring other planets and moons in our solar system, like Mars and Europa.
The study of alien creatures also involves astrobiology, which examines the potential for life in the universe. Researchers use telescopes to detect exoplanets in the habitable zone, where conditions might support life. While no definitive evidence of alien creatures has been found, the possibility continues to intrigue scientists and the public alike.