How is pseudoscience different from science

Pseudoscience is a collection of beliefs or practices mistakenly regarded as being based on scientific method. While, Science is, The intellectual and practical activity encompassing the systematic study of the structure and behaviour of the physical and natural world through observation and experiment.

Answer: I guess you can say pseudoscience is "fake science" in science.

Explanation:In conclusion, ancient astronomers think that aliens had made civilization on earth. The key detail they are missing is that there was no evidence so this causes their claim to be pseudoscience. You may have a claim but can you back it up with evidence and reasoning or in other words can you show that your claim and evidence connect with a reasoning?