Do some animals come from different planets?

There is no scientific evidence to suggest that any animals on Earth come from different planets. All life on Earth, including animals, is thought to have evolved from a single common ancestor.

While it's fun to imagine aliens and extraterrestrial creatures, there are many reasons why it's highly unlikely that any animal we know of came from another planet:

* The vast distances in space: Traveling between planets, especially across star systems, would require immense technological advancements and resources that we haven't even begun to comprehend.

* The harshness of space: The vacuum of space, extreme temperatures, radiation, and lack of atmosphere would make it impossible for any known life form to survive the journey.

* The consistency of Earth's life: All known life on Earth shares common characteristics (like DNA) and a similar chemical makeup, suggesting a single origin.

While we haven't ruled out the possibility of life on other planets, the idea of animals from other planets visiting Earth is currently based on speculation and science fiction.