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ANSWER

We know that the events surrounding the end times, as described in the Bible, will include a powerful deception (Matthew 24:24). Recently, interest has been rising in the theory that this deception will include alien beings from another planet. Odd as it may seem, this theory is entirely plausible from a Christian perspective. Although the Bible gives us no word about whether or not aliens exist—there is no inclusion of them in the creation account in Genesis, and no mention of them elsewhere—the Bible does tell us about visitors from another world—the spiritual world.

Since the beginning, instances of demons (fallen angels) visiting the earth have been witnessed and recorded. We know from Eve’s encounter with Satan that demons are interested in monitoring (and altering) the progress of humanity. They want to be involved, with the goal of drawing humanity away from the worship of God and turning mankind’s attention instead to them. Another notable instance of their interaction with us is found in Genesis 6:4 with the arrival of the “sons of God.” The Genesis account states that these powerful beings had sexual intercourse with women and produced a super race of beings known as the Nephilim. This sounds like the stuff of science fiction, yet it is right there in the Bible. There are striking similarities between this account and the accounts of other ancient cultures. The writings of the ancient Sumerians, for example (who were the first to produce a written language) mention the presence of the “Anunnaki” who were deities that came from heaven to dwell on earth with men. It is also interesting to note that the Sumerians’ gods often came to them in the form of snakes.

These accounts, seen alongside the amazing things created by ancient man, make it possible to theorize that demons, in the form of beings from another world, came to earth, bringing spectacular wisdom and knowledge to men, and “intermarrying” with their daughters in an attempt to draw men away from God. We already see from Eve’s experience with the serpent that demons will use the temptation of superior wisdom to ensnare man and that man is very susceptible to it.

Could the end times include a similar alien deception? The Bible doesn’t directly address the issue, but it is certainly plausible, for a variety of reasons. First, the Bible tells us that the world will unite under the power of the Antichrist. In order to achieve an agreement between all the world’s religions, it would make sense for the “uniter” to come from an entirely new source—an extraterrestrial source. It is hard to imagine one religion becoming head of all the others, unless new, unearthly knowledge were the source of the appeal and power of the new “religion.” This would be in keeping with past deceptions and would be a very effective way to deceive a large number of people.

Second, this deception could provide an answer to the problem of earth’s origins. The scientific theory that the evolution of life on earth was spontaneously generated still has no answer for life’s beginnings. There is evidence for a “big bang,” but that still doesn’t explain what caused the big bang to occur. If alien beings arrived and gave us an extraterrestrial explanation for life on earth, the origins of the world religions, and even the origins of our planet, it would be very persuasive.

That said, we should not fear. The Lord has said that He will not leave us or forsake us, and that He will protect us (1 Kings 8:57; Matthew 10:31; Isaiah 41:10). Demons / angels are not omnipotent, nor are they omnipresent. Jesus said that in the end times His appearing would be like lightning—easily visible to all. He said to be wary of any being that says “I am the Christ” or any group that says “He’s over there” or “He’s in here” (Matthew 24:23-24). He said that vultures gather around a dead body, meaning that if you see a group of people gathering around someone claiming to be Christ, that person is death and a false prophet.

We should be wary of any person or being that produces signs and wonders without biblical fidelity or the presence of obedience to the Lord Jesus, anyone who provides a way to unite the world religions or governments (Revelation 13:5-8), any being that promotes unnatural sexual relationships (Genesis 6:4; Jude 1:6-7), and of course, any person who denies that Jesus is God (2 John 1:7). Furthermore, anyone who presents a “substitute” Jesus, who represents Him as “a god but not the God” or who claims He was merely a good teacher, simply a human, or even a super-human or an alien creature, is a deceiver.

Lastly, if demons manifesting as aliens are part of the end times, we should remember that they, too, are created beings subject to a sovereign God and ultimately answerable to Him. Whether in alien form or not, the descriptions of demons in Revelation are frightening (Revelation 9:1-12), but we should not fear those who can only kill the body. Instead, we should only fear the One who can kill the body and the soul in hell (Matthew 10:28). No matter what happens to us on the earth, we should trust that the Lord is the Savior, Redeemer, and Protector of the souls of those who put their trust in Him (Psalm 9:10; 22:5).

ANSWER

The Nephilim (“fallen ones, giants”) were the offspring of sexual relationships between the sons of God and daughters of men in Genesis 6:1–4. There is much debate as to the identity of the “sons of God.” It is our opinion that the “sons of God” were fallen angels (demons) who mated with human females or possessed human males who then mated with human females. These unions resulted in offspring, the Nephilim, who were “heroes of old, men of renown” (Genesis 6:4). For a discussion of the various interpretations, please read our article on identity of the sons of God and daughters of men.

Why would the demons do such a thing? The Bible does not specifically give us the answer. Demons are evil, twisted beings—so nothing they do should surprise us. As to a distinct motivation, one speculation is that the demons were attempting to pollute the human bloodline in order to prevent the coming of the Messiah. God had promised that the Messiah would one day crush the head of the serpent, Satan (Genesis 3:15). The demons in Genesis 6 were possibly attempting to prevent the crushing of the serpent and make it impossible for a sinless “seed of the woman” to be born. Again, this is not a specifically biblical answer, but it is biblically plausible.

What were the Nephilim? According to Hebraic and other legends (the Book of Enoch and other non-biblical writings), they were a race of giants and super-heroes who did acts of great evil. Their great size and power likely came from the mixture of demonic “DNA” with human genetics. According to the movie Noah, starring Russell Crowe (reviewed by us here), the Nephilim were fallen angels encased in rock. All that the Bible directly says about them is that they were “heroes of old, men of renown” (Genesis 6:4). The Nephilim were not aliens, angels, “Watchers,” or rock monsters; they were literal, physical beings produced from the union of the sons of God and the daughters of men (Genesis 6:1–4).

What happened to the Nephilim? The Nephilim were one of the primary reasons for the great flood in Noah’s time. Immediately after the mention of Nephilim, God’s Word says, “The LORD saw how great man’s wickedness on the earth had become, and that every inclination of the thoughts of his heart was only evil all the time. The LORD was grieved that he had made man on the earth, and his heart was filled with pain. So the LORD said, ‘I will wipe mankind, whom I have created, from the face of the earth—men and animals, and creatures that move along the ground, and birds of the air—for I am grieved that I have made them’” (Genesis 6:5–7). God proceeded to flood the entire earth, killing everyone and everything other than Noah, his family, and the animals on the ark. All else perished, including the Nephilim (Genesis 6:11–22).

Were there Nephilim after the flood? Genesis 6:4 tells us, “The Nephilim were on the earth in those days—and also afterward.” It seems that the demons repeated their sin sometime after the flood as well. However, it likely took place to a much lesser extent than it did prior to the flood. When the Israelites spied out the land of Canaan, they reported back to Moses: “We saw the Nephilim there (the descendants of Anak come from the Nephilim). We seemed like grasshoppers in our own eyes, and we looked the same to them” (Numbers 13:33). This passage does not say the Nephilim were genuinely there, only that the spies thought they saw the Nephilim. It is more likely that the spies witnessed very large people in Canaan and in their fear believed them to be the Nephilim. Or it is possible that after the flood the demons again mated with human females, producing more Nephilim. It is even possible that some traits of the Nephilim were passed on through the heredity of one of Noah’s daughters-in-law. Whatever the case, these “giants” were destroyed by the Israelites during their invasion of Canaan (Joshua 11:21–22) and later in their history (Deuteronomy 3:11; 1 Samuel 17).

What prevents the demons from producing more Nephilim today? It seems that God put an end to demons mating with humans by placing all the demons who committed such an act in isolation. Jude verse 6 tells us, “The angels who did not keep their positions of authority but abandoned their own home—these he has kept in darkness, bound with everlasting chains for judgment on the great Day.” Obviously, not all demons are in “prison” today, so there must have been a group of demons who committed further grievous sin beyond the original fall. Presumably, the demons who mated with human females are the ones who are “bound with everlasting chains.” This would prevent any more demons from attempting such sin.

ANSWER

First, let’s define “aliens” as “beings capable of making moral choices, having intellect, emotion, and a will.” Next, a few scientific facts:

1. Men have sent spacecraft to nearly every planet in our solar system. After observing these planets, we have ruled out all but Mars and possibly a moon of Jupiter as being able to support life.
2. In 1976, the U.S.A. sent two landers to Mars. Each had instruments that could dig into the Martian sand and analyze it for any sign of life. They found absolutely nothing. In contrast, if you analyzed soil from the most barren desert on earth or the most frozen dirt in Antarctica, you would find it teeming with micro-organisms. In 1997, the U.S.A. sent Pathfinder to the surface of Mars. This rover took more samples and conducted many more experiments. It also found absolutely no sign of life. Since that time, several more missions to Mars have been launched. The results have always been the same.
3. Astronomers are constantly finding new planets in distant solar systems. Some propose that the existence of so many planets proves that there must be life somewhere else in the universe. The fact is that none of these has ever been proven to be anything close to a life-supporting planet. The tremendous distance between Earth and these planets makes it impossible to make any judgments regarding their ability to sustain life. Knowing that Earth alone supports life in our solar system, evolutionists want very badly to find another planet in another solar system to support the notion that life must have evolved. There are many other planets out there, but we certainly do not know enough about them to verify that they could support life.

So, what does the Bible say? The earth and mankind are unique in God’s creation. Genesis 1 teaches that God created the earth before He even created the sun, the moon, or the stars. Acts 17:24-26 states that “the God who made the world and everything in it is the Lord of heaven and earth and does not live in temples built by hands…he made every nation of men, that they should inhabit the whole earth; and he determined the times set for them and the exact places where they should live.”

Originally, mankind was without sin, and everything in the world was “very good” (Genesis 1:31). When the first man sinned (Genesis 3), the result was problems of all sorts, including sickness and death. Even though animals have no personal sin before God (they are not moral beings), they still suffer and die (Romans 8:19-22). Jesus Christ died to remove the punishment that we deserve for our sin. When He returns, He will undo the curse that has existed since Adam (Revelation 21–22). Note that Romans 8:19-22 states that all of creation eagerly waits for this time. It is important to also note that Christ came to die for mankind and that He died only once (Hebrews 7:27; 9:26-28; 10:10).

If all of creation now suffers under the curse, any life apart from the earth would also suffer. If, for the sake of argument, moral beings do exist on other planets, then they also suffer; and if not now, then someday they will surely suffer when everything passes away with a great noise and the elements melt with fervent heat (2 Peter 3:10). If they had never sinned, then God would be unjust in punishing them. But if they had sinned, and Christ could die only once (which He did on earth), then they are left in their sin, which would also be contrary to the character of God (2 Peter 3:9). This leaves us with an unsolvable paradox—unless, of course, there are no moral beings outside of the earth.

What about non-moral and non-sentient life forms on other planets? Could algae or even dogs and cats be present on an unknown planet? Presumably so, and it would not do any real harm to any biblical text. But it would certainly prove problematic when trying answer questions like “Since all of creation suffers, what purpose would God have in creating non-moral and non-sentient creatures to suffer on distant planets?”

In conclusion, the Bible gives us no reason to believe that there is life elsewhere in the universe. In fact, the Bible gives us several key reasons why there cannot be. Yes, there are many strange and unexplainable things that take place. There is no reason, though, to attribute these phenomena to aliens or UFOs. If there is a discernible cause to these supposed events, it is likely to be spiritual, and more specifically, demonic, in origin.

Genesis 6:1–4

When man began to multiply on the face of the land and daughters were born to them, the sons of God saw that the daughters of man were attractive. And they took as their wives any they chose. Then the Lord said, “My Spirit shall not abide in man forever, for he is flesh: his days shall be 120 years.” The Nephilim were on the earth in those days, and also afterward, when the sons of God came in to the daughters of man and they bore children to them. These were the mighty men who were of old, the men of renown.

Many good Bible teachers and scholars do take the view that the reference to “angels who did not keep their own domain” is a reference to that group of fallen angels whom Satan persuaded to cohabit with women (Gen. 6:1-4) and who were confined immediately because of the gross nature of that sin. Another passage that may apply here is 2 Pet. 2:4-5 which says “For if God did not spare angels when they sinned, but cast them into hell and committed them to pits of darkness, reserved for judgment; and did not spare the ancient world, but preserved Noah, a preacher of righteousness, with seven others, when He brought a flood upon the world of the ungodly.” Some believe these are the fallen angels who sinned grievously by cohabiting with women, as described in Gen. 6:1-4 (see Jude 6).