Extraterrestrial Religion

Are there planets where there is life? Is such life self-aware, and/or able to communicate ideas to others? Are there religions on other planets? I wish to muse about these things. (I recently mused about a similar topic, namely the religion of robots.)

Some authors have supposed that there is such life on planets in our own solar system.

C. S. Lewis, in Out of the Silent Planet, the first novel of his space trilogy, described Mars (Malacandra) as a planet with water, and life, in canals on the planet's surface. There were three intelligent species living there, all three worshiping the Oyarsa of Mars, approximately an archangel. They had some knowledge of Maleldil, Christ, and his redeeming sacrifice. Lewis also supposed that Venus (Perelandra) was inhabited by an intelligent race, human in appearance, who were subjected to a temptation similar to that described of Adam and Eve in the Garden of Eden.

At least one author, Zenna Henderson (see also the Wikipedia page on her) had her aliens, who were indistinguishable from humans in appearance, living on earth, among us, but with a religion that was central to their culture. This religion seemed to be compatible with Christianity.

Harold Myra supposed that the Fall had made our part of the universe into antimatter. He had several unfallen worlds in his galaxy.

Dolphins, chimpanzees, and perhaps other terrestrial species may be self-aware, and have some power of communication, enough to develop a religion, perhaps. So far as I know, there is no evidence that they have such. There are a number of works that suppose dolphins or whales to have such capacity. I am not aware that any of them propose that these creatures have any religion.

Other authors have also considered these themes.

Does the Bible say anything that would preclude intelligent life elsewhere? I don't know of any such thing. Conversely, it doesn't say anything that proves that there is such life.

If there is intelligent life elsewhere, is it necessary that it have a religion? I suppose not, but would be surprised if there were no such, if other species with intelligence exist.

Did the Fall affect other planets? Did Christ die for other planets? Probably, as I read the scripture, although I don't think the Bible is absolutely conclusive on these matters. Romans 8:18-25 may mean that when it says that the "whole creation" has suffered until the time of Paul's writing.

Thanks for reading these musings.

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Note added June 23, 2011: A recent post by a Christian author of fantastic literature claims that there can be no non-human intelligent life in the universe. Some other Christian authors disagree, in the comments.

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Added November 11, 2012: Ken Ham, of Answers in Genesis, claims that, if there is intelligent life on other planets, "any aliens would also be affected by Adam’s sin, but they can’t have salvation." Ham is responding to statements by a Vatican astronomer, to the contrary. That is, the astronomer claimed that intelligent extraterrestrials could be redeemed.

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Added July 27, 2015: A planet with physical characteristics similar to ours has recently been discovered. In response, apparently an atheist wrote that this discovery made belief in God (or in Judaism or Islam) impossible. Benjamin L. Corey begs to differ.