Former NASA engineer. Current CrunchLabs founder and friend of science. Answers to some common questions: 1) I make a monthly toy we build together o…
84M
Subscribers
27.4M
Views a video
4
Videos in 30 days
YouTube Directory
The 40 biggest science channels from our searches of YouTube, ranked by subscribers. We searched YouTube in the US, the UK, Canada and Australia. Each card shows how many views the channel gets on a typical video and how many videos it posted in the last 30 days. Our searches found 55 science channels with 50,000 or more subscribers, and this page lists the largest.
40 channels, ranked by subscribers
Former NASA engineer. Current CrunchLabs founder and friend of science. Answers to some common questions: 1) I make a monthly toy we build together o…
84M
Subscribers
27.4M
Views a video
4
Videos in 30 days
Our World is Amazing.
25.3M
Subscribers
3.2M
Views a video
7
Videos in 30 days
An element of truth - videos about science, education, and anything else we find interesting.
21.4M
Subscribers
4.5M
Views a video
7
Videos in 30 days
I explore the world using science. That's pretty much all there is to it. Watch 2 videos. If you learn something AWESOME, please subscribe if you fee…
11.9M
Subscribers
1.8M
Views a video
1
Videos in 30 days
Capturing the natural beauty of chemistry I find that chemistry is often taught poorly or without a purpose. Because of this, people tend to lose int…
11M
Subscribers
11.7M
Views a video
0
Videos in 30 days
Making science make sense. Created by: Mitchell Moffit (@mitchellmoffit) Gregory Brown (@whalewatchmeplz) CONTACT asapscience[at]gmail[dot]com Send u…
10.8M
Subscribers
609K
Views a video
6
Videos in 30 days
Want to subconsciously learn while being entertained? Then subscribe!! My twitter: My Instagram: My Facebook: My videos are also available on Odysee…
8.9M
Subscribers
1.1M
Views a video
3
Videos in 30 days
Video journalist making optimistic tech explainers. Huge If True. Instagram: TikTok: Twitter: If you'd like to sponsor a Huge If True episode, reach…
8.9M
Subscribers
8.2M
Views a video
15
Videos in 30 days
Hi, I'm Tom Scott. These are some of the things I've made and done. They'll probably come back to haunt me in a few years' time. Contact me: • • • Th…
6.8M
Subscribers
1.4M
Views a video
4
Videos in 30 days
Simply put: cool physics and other sweet science. "If you can't explain it simply, you don't understand it well enough." ~Rutherford via Einstein? (w…
6M
Subscribers
404K
Views a video
1
Videos in 30 days
We source, negotiate, contract, pay and track. You approve every step and only pay for videos that go live.
We give you deep answers to simple questions about science and the rest of the universe. And also dad jokes. Be Smart is hosted by Joe Hanson, PhD. H…
5.9M
Subscribers
1.4M
Views a video
4
Videos in 30 days
The Action Lab is a channel dedicated to performing exciting experiments and answering questions you never thought to ask! Please enjoy as I answer t…
5.2M
Subscribers
498K
Views a video
3
Videos in 30 days
Videos about numbers and mathematics. Videos by Brady Haran since 2011. Our thanks to Jane Street and our Patreon supporters.
4.8M
Subscribers
301K
Views a video
8
Videos in 30 days
We tell stories in medicine. These are variations on cases we, or our colleagues, have seen in the past. The main goal of these videos are to tell a…
4.1M
Subscribers
6M
Views a video
9
Videos in 30 days
I make videos about science. I also write books! You can get them here: You can support me on Patreon here: You can discuss my videos on reddit: For…
3.6M
Subscribers
2.7M
Views a video
1
Videos in 30 days
Exploring science through sheer incompetence... Check out my main channel @NileRed
3.6M
Subscribers
2.5M
Views a video
1
Videos in 30 days
Physics Girl is a YouTube channel created by Dianna Cowern that adventures into the physical sciences with experiments, demonstrations, and cool new…
3.5M
Subscribers
502K
Views a video
2
Videos in 30 days
3.2M
Subscribers
849K
Views a video
10
Videos in 30 days
How big is the Solar System? What actually orbits our Sun? Why should I even be interested in space? On this channel, we'll answer these and a whole…
2.9M
Subscribers
907K
Views a video
8
Videos in 30 days
Dr.* Award-winning science educator. Nuclear communications expert. BASILISK Esports Head of Science Education and Outreach. Clean Futures Fund Dogs…
2.8M
Subscribers
465K
Views a video
4
Videos in 30 days
We source, negotiate, contract, pay and track. You approve every step and only pay for videos that go live.
Dr Ben | Physicist | Entrepreneur | Investor | YouTuber If you'd like to get in touch, you can send me a message at the email address below.
2.6M
Subscribers
2M
Views a video
8
Videos in 30 days
Ask Questions. Get interesting, amazing, funny, inspiring, eye-opening, mind-shifting, informative answers. Every week. This is the home of Answers W…
2.6M
Subscribers
612K
Views a video
5
Videos in 30 days
Thanks for stopping by! My name is Ben. I turn boring things into awesome things. I've been creating and filming projects and science experiments sin…
2.5M
Subscribers
968K
Views a video
0
Videos in 30 days
Science is a bottomless well of some of the most amazing things this universe has to offer. There is so much amazing science and engineering that get…
2.2M
Subscribers
350K
Views a video
4
Videos in 30 days
Struggling to learn stuff every other week. There's a lot to figure out about the world but it can be hard (or embarrassing) to start from square one…
1.7M
Subscribers
398K
Views a video
7
Videos in 30 days
Your ultimate channel for all things chemistry. A video about each element on the periodic table. And we upload new videos every week about science n…
1.6M
Subscribers
92K
Views a video
0
Videos in 30 days
Maths Professor @cambridgeuniversity, science writer and all round bad ass
1.4M
Subscribers
1.4M
Views a video
5
Videos in 30 days
Hi, I'm Toby, on my channel you can expect to see videos about physics, math, astronomy and the history of science. If you like my channel then pleas…
1.3M
Subscribers
70K
Views a video
2
Videos in 30 days
Smile, life is meaningless.
1.1M
Subscribers
251K
Views a video
2
Videos in 30 days
Welcome to the official Nate From The Internet YouTube channel! On this channel, you’ll find a variety of educational content including science exper…
1.1M
Subscribers
188K
Views a video
5
Videos in 30 days
We source, negotiate, contract, pay and track. You approve every step and only pay for videos that go live.
On this channel you will find some interesting chemical reactions and many amazing stuff!
964K
Subscribers
50K
Views a video
1
Videos in 30 days
Hosted by Ben Krasnow Subscribe to see interesting applications of science and technology. You'll see how an electron microscope was built in a home…
890K
Subscribers
235K
Views a video
1
Videos in 30 days
Cool videos about physics and astronomy.
888K
Subscribers
63K
Views a video
4
Videos in 30 days
Real science, from a real scientist. I'm an astrophysicist at the University of Oxford making videos explaining the Universe. I like to focus on how…
886K
Subscribers
496K
Views a video
15
Videos in 30 days
A physics grad who just never stopped learning physics. Now I just post what I learn on YouTube. I dabble in math and computer science too.
859K
Subscribers
478K
Views a video
1
Videos in 30 days
Whether you’re a lifelong science fan or just naturally curious, join mathematician Professor Hannah Fry and science creator Michael Stevens (Vsauce)…
757K
Subscribers
546K
Views a video
15
Videos in 30 days
Hi! I’m Tommy Technetium. I make chemistry come alive through real experiments, careful observation, and clear explanations. Using household material…
727K
Subscribers
5.1K
Views a video
10
Videos in 30 days
I'm Brian Haidet - PhD in Materials Science, but I'd also describe myself as artist, maker, and Hawaiian shirt enthusiast. On this channel, You'll fi…
724K
Subscribers
990K
Views a video
1
Videos in 30 days
New projects, clips and never before seen videos This channel is mainly run by the NileRed team (Nigel, Corey, Nick, Zach & Reggie), where most video…
656K
Subscribers
1.2M
Views a video
6
Videos in 30 days
This channel is all about physics. Physics describes the real magic of the universe. To obtain these physics toys visit Like, share and subscribe to…
613K
Subscribers
57K
Views a video
15
Videos in 30 days
We find science channels that fit your brief, agree the price with each creator and track every video. You approve each step.
We searched YouTube in the US, the UK, Canada and Australia in October 2026. We ran 509 search terms and read the related videos of 1,213 channels we picked by hand. A channel is on this page when the search that found it was about science and its name, its description or our review of its videos matches the subject, or when we picked it by hand for this subject. We list the 40 largest by subscribers. Nothing here is paid for, and a place on the list is not a recommendation: it is the top of the list by size.
We leave out channels that belong to a company, a media brand, a game, a sports league or a shop, and channels that are not in English. Subscribers, views a video and videos in the last 30 days are the channel’s public figures on the day we found it. Views a video is the median of the channel’s last 15 long videos, or of its Shorts when it has posted no long video.
If your channel is listed and you want it changed or removed, email hello@sup.co and we’ll act on it fast.
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American YouTubers40British YouTubers40Canadian YouTubers40Australian YouTubers40Free tool:
YouTube Money CalculatorThe data
Every channel on this page, with the subscriber, views and upload figures behind the ranking. Take it into a spreadsheet, or cite it. We only publish what is on the page: no email addresses and no rates.
| Measure | On this page | All our YouTube lists |
|---|---|---|
| Channels ranked hereWe found 55 science channels with 50,000 or more subscribers and list the largest | 40 | 2,682 across our YouTube lists |
| Median subscribers | 2.7M | 979K |
| Median views a video | 610K | 102K |
| Median videos in 30 days | 4 | 8 |
Free to use and republish with credit to sup.co. How we measure ›
FAQ
These answers are worked out from the 40 channels shown above, so they change when the data does.
This page ranks 40 science channels from our searches of YouTube in the US, the UK, Canada and Australia. We found 55 with 50,000 or more subscribers, and list the 40 largest, ranked by subscribers. Our searches reach the channels YouTube showed for our search terms, so a big channel they did not reach can be missing.
The median channel on this page has 2.7M subscribers. Of the 40, 6 have 10 million subscribers or more, 24 have between 1 million and 10 million and 10 have fewer than 1 million.
Mark Rober (@markrober) has the most subscribers on this page, with 84M. It also gets the most views on a typical video here, at 27.4M. The median across the page is 610K views a video.
It is the median number of views on the channel's last 15 long videos, or on its Shorts when it has posted no long video. A median is the middle value, so one viral video does not lift it. On this page it runs from 5.1K to 27.4M. For a brand it is a better guide to what one sponsored video might reach than the subscriber count.
The median channel here posted 4 videos in the 30 days before we read it. 24 channels posted four or more, about one a week or more. 3 channels posted none in that time. A channel that posts often has more slots for a sponsor.
Of the 40 channels here, 15 give the US, 6 Canada, 5 the UK and 1 Australia as their country on YouTube, and 13 give no country. The country is a setting each channel chooses, so it says where the channel says it is from, not where its viewers live.
Sup runs creator campaigns for brands on YouTube, Instagram and TikTok. We find the channels that fit your brief, agree the price with each creator, handle the contract and the payment, and track every video. You approve each step. Request a demo and we will show you which channels fit your brief.
We searched YouTube in the US, the UK, Canada and Australia in October 2026. We ran 509 search terms and read the related videos of 1,213 channels we picked by hand, then read each channel's public figures from YouTube on the day we found it. No channel paid to be listed, and there is no survey or panel behind these numbers. You can read how we measure on our methodology page.
We source, negotiate, contract, pay and track. You approve every step and only pay for videos that go live. Creators matched to your brief in 6 hours.
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