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98% of Scientists Believe in Aliens — But Have Zero Evidence

2026-06-11 Science & Technology
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Dr Brian Keating
Dr Brian Keating
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Description

Brian Keating argues that a scientist saying "I believe in aliens" is not just wrong — it's an embarrassment to the scientific method. When belief rises as evidence stalls, something other than science is driving the conversation. Hugh Ross is the founder of Reasons to Believe and one of the few scientists who has spent decades at the intersection of astrophysics and the question of life in the universe. We cover: 00:00 Why 98% of astrobiologists expressing belief in extraterrestrial life is a red flag, not a milestone 01:30 What a 2025 Nature Astronomy survey of 1,055 scientists actually reveals about the state of the field 04;00 Why the desire for aliens may be filling the same psychological space once occupied by God. If belief is going up while evidence stays flat — what are scientists actually searching for? Reference List: - YouTube. https://www.youtube.com/watch?v=NXgLDPok5k4 - YouTube. https://www.youtube.com/watch?v=l0V-GeE9WHU - Vickers, P., Gardiner, E., Gillen, C., Hyde, B., Jeancolas, C., Mitchell Finnigan, S., Nekola Nováková, J., Strandin, H., Tasdan, U., Taylor, H., & McMahon, S. (2025). Surveys of the scientific community on the existence of extraterrestrial life. Nature Astronomy, 9(1), 16–18. https://doi.org/10.1038/s41550-024-02451-0 ——— 📬 Get the transcript, fascinating bonus content, and my Monday M.A.G.I.C. Message: https://briankeating.com/yt 🌠 Have a .edu email and live in the USA 🇺🇸? You automatically win a meteorite: https://BrianKeating.com/edu 🔔 Subscribe: https://www.youtube.com/DrBrianKeating?sub_confirmation=1 🎯 Support Into the Impossible on Patreon — get my weekly M.A.G.I.C. Message, unfiltered bonus content, and live monthly Office Hours with me: https://www.patreon.com/drbriankeating ⭐ Join this channel for perks, monthly Office Hours, and your name in the Member Roster at the end of every episode: https://www.youtube.com/channel/UCmXH_moPhfkqCk6S3b9RWuw/join 📚 My books: Losing the Nobel Prize (memoir): http://amzn.to/2sa5UpA Think Like a Nobel Prize Winner: https://a.co/d/03ezQFu Focus Like a Nobel Prize Winner: https://a.co/d/hi50U9U Galileo's Dialogue (first-ever audiobook): https://a.co/d/iZPi9Un 🌐 More: 🏄‍♂️ Twitter: https://twitter.com/BrianKeating 📚 Substack https://briankeating.substack.com/ss ✍️ Blog: https://briankeating.com/blog 🎙️ Audio-only: https://briankeating.com/podcast #intotheimpossible #briankeating #science #physics #astronomy #cosmology #podcast #universe

Top Comments (10)

@DrBrianKeating 2026-06-11

Scientists surveyed. 98% believe in extraterrestrial life. Evidence found: zero. That gap — between what scientists want to be true and what the data actually shows — is what this whole conversation is really about. Hugh Ross has spent his career at exactly that fault line, and the full interview goes much deeper: the fine-tuning of our galaxy cluster, why Earth's cosmic address is stranger than most people realize, and what it means for the search for life. Full conversation here → https://www.youtube.com/watch?v=54sjTUELT5I

8 2 replies
@davidthompson2838 2026-06-11

A belief system is commonly understood to be 'an emotionally felt understanding of possibility without proof' as in every religious belief. Every scientist is capable of such belief while simultaneously knowing for certain there is currently no proof of alien existence. Its all in the understanding of word meanings.

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@damianGray 2026-06-11

I think the belief we aren't alone is perfectly rational. Either we were purposefully created by a designer -- God / whatever. Or we arose from a process of random chance. The former and we are already not alone in the universe, the latter it would take more faith to believe that life only arose in a single location in the entire universe and that random chance didn't replicate similar results somewhere else than not. So I would argue that by virtue of our own existence, we are not alone in the universe. That is probably more of a philosphical view than a scientific one but it completely rational.

3 1 replies
@ManyfiresWoman 2026-06-11

I've believed since I was 14. But my attitude has always been: "yeah, I know they're there. I just think we need to take care of business here." An Elder (Cherokee) told me once: 'There are those that mean us well; and those that do not mean us well. And it's up to you to discern the difference.' I'm on the side of making wise decisions.

3
@dustman96 2026-06-11

The people who DON'T believe are the foolish ones. If you ever ran the numbers on how many potentially habitable worlds there are likely to be in the universe... If there weren't any other civilizations it would be against all odds, especially considering the elements for life are extremely common and complex organic molecules are common. In our own solar system there are at least 4 bodies where life of some sort could possibly survive. Venus was likely habitable in the past, and currently has conditions that could support microscopic life in its upper atmosphere. Saying you believe aliens exist vs saying you believe aliens have visited earth are two very different things. These UFO people are nutty. People who believe we are alone in the universe are pompous and just want to believe that they are special. Belief is not asinine when there are absolutely overwhelming odds that something exists. Believing that you are special is the asinine thing in this context.

2
@terryforsythe8083 2026-06-11

Dr. Keating, I love your channel. One small critique: instead of stating there is no evidence, it is more appropriate to state there is no indisputable (or irrefutable) evidence. There is plenty of evidence, including sworn witness testimoney, but that evidence is not indisputable and is inadequate to reach a scientific conclusion on the NHI hypothesis. Nonetheless, it is evidence. Some people take the perspective that only physical evidence is evidence, but that is incorrect, and that perspective ignores entire regions of scientific study, including cognitive science, psychology, sociology, anthropology, behavioral economics, etc.

2
@Thomas-gk42 2026-06-11

What would Avi Lloeb answer?

1 1 replies
@ScrewdriverTUNING 2026-06-14

Scary concept !?

1
@poksnee 2026-06-11

I believe aliens might exist, but I have no proof they do.

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@warrenrae32 2026-06-12

There are very specific planetary requirements just to get the right conditions and elements to just form the building blocks for life before life even exists. I’ve spent time looking more closely at it recently and see the conditions needed are manifold and rare on their own but all put together are exceedingly rare and leave me suprised that many astrobiologists believe that ‘alien life’ is even a possibility

1

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