What aliens might look like according to science

Since the beginning of time, people have looked at the stars and wondered if we are alone in the universe. Are there other intelligent beings in the vastness of space, otherwise known as extraterrestrial intelligence? But despite our best efforts, we have yet to confirm the existence of aliens beyond Earth. As the search continues, it is fair to speculate whether they appear “human” or humanoid in appearance, or whether they look completely different. In the meantime, we can speculate about what aliens might look like and what environmental parameters (e.g. gravity, atmospheric composition, stellar activity) might be…