Alien Existence

If extraterrestrial life exists, its form could be vastly different from life on Earth. For instance, it might have a different chemical foundation or have undergone a completely different evolutionary process. The range of possible forms could vary from microbial life to highly intelligent beings.

However, so far, no clear evidence of extraterrestrial life has been found. Efforts like the SETI (Search for Extraterrestrial Intelligence) project have been attempting to detect signals from intelligent life forms beyond Earth, but with no definitive success to date.