StarTalk YouTube channel thumbnail
StarTalk
Subscribers 5.4M
Videos 1.7K
Views 947.9M

Channels Like StarTalk

StarTalk explores astronomy, physics, and related science topics through conversations featuring astrophysicists, comic co-hosts, guest celebrities, and scientists, blending science with pop culture. Content appears as deep-dives and discussions rather than tutorials, with uploads spanning over a decade and a half; recent videos include explanations of black holes, the three-body problem, and critiques of flat earth ideas. The channel averages around 7 million views per video, with a subscriber base of 5.4 million and a total of 1,700 videos since joining in 2010.

Similar Channels

We found 46 YouTube channels similar to StarTalk

Kurzgesagt – In a Nutshell YouTube channel thumbnail
Subscribers 25.1M
Videos 349
Views 3.6B
Appearances 13
SERP 100%
Similarity 73%
cosmology explained black holes basics free will science debate

High search overlap on cosmology and related topics (cosmology explained, black holes basics) mirrors StarTalk's audience, but content style diverges (84% overall match with 73% content alignment), indicating shared audience yet a different presentation approach.

PBS Space Time YouTube channel thumbnail
#2
PBS Space Time

83% relevance

Subscribers 3.4M
Videos 436
Views 528.9M
Appearances 14
SERP 92%
Similarity 77%
cosmic microwave background neutron stars explained quantum gravity basics

Queries like cosmic microwave background and quantum gravity basics align with StarTalk's science-focused topics; with an 83% match and 92% search but 77% content, they attract a similar audience while delivering more technical, physics-heavy content.

Big Think YouTube channel thumbnail
#3

77% relevance

Subscribers 8.6M
Videos 9.9K
Views 1.0B
Appearances 11
SERP 78%
Similarity 76%
astrophysics topics black holes basics free will science debate

Shared interest in astrophysics topics and debates such as free will science, reflected in an 77% match and 78% search with 76% content, indicating overlapping audience but broader, interview-based or concept-driven style.

Science Time YouTube channel thumbnail
#4
Science Time

70% relevance

Subscribers 1.1M
Videos 562
Views 192.9M
Appearances 11
SERP 62%
Similarity 75%
black holes basics alien megastructures extraterrestrial life search

Both cover black holes basics and extraterrestrial topics, yielding a 70% match with 62% search and 75% content, showing audience overlap but more focused on visual demonstrations and speculative science.

Professor Dave Explains YouTube channel thumbnail
Subscribers 4.2M
Videos 2K
Views 486.7M
Appearances 9
SERP 61%
Similarity 74%
cosmology explained flat earth critique dark matter basics

Overlap on cosmology explained and dark matter basics (69% match; 61% search, 74% content) indicates similar interest areas but a more lecture-focused, explanatory approach distinct from StarTalk's conversational style.

CrashCourse YouTube channel thumbnail
#6

66% relevance

Subscribers 16.9M
Videos 1.6K
Views 2.2B
Appearances 11
SERP 64%
Similarity 67%
astrophysics topics cosmology explained free will science debate

Shared emphasis on astrophysics topics and cosmology explained, with a 66% match, 64% search, and 67% content, signaling a broad, educational audience but different content delivery and pacing.

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Content Landscape

Top competitors by match strength are Kurzgesagt – In a Nutshell (84% match) and PBS Space Time (83% match). Kurzgesagt overlaps on queries like cosmology explained, black holes basics, and free will science debate, while PBS Space Time aligns on cosmic topics such as the cosmic microwave background, neutron stars explained, and quantum gravity basics. Big Think (77% match) also shares several overlapping queries such as astrophysics topics, black holes basics, and free will science debate. StarTalk has a larger subscriber base than PBS Space Time (5.4M vs 3.4M) and is smaller than Kurzgesagt (25.1M) and Big Think (8.6M). The shared queries indicate competition around cosmology, black holes, and broader physics topics.

Video Highlights

Recent content from similar channels

Didn't Make the Cut

40 additional channels that were close

Rank Relevance Channel Similarity Subscribers SERP Appearances
#7 66% Perimeter Institute for Theoretical Physics 79% 231K 45% 6
#8 66% Arvin Ash 78% 1.1M 47% 8
#9 63% SEA 75% 758K 44% 7
#10 62% minutephysics 79% 5.9M 38% 6
#11 62% Space Matters 73% 322K 44% 7
#12 61% Cleo Abram 81% 7.5M 32% 4
#13 61% Beyond Horizons 77% 52K 38% 7
#14 61% TED-Ed 69% 22.4M 48% 8
#15 60% Insane Curiosity 75% 620K 39% 3
#16 60% NASA Goddard 73% 1.7M 41% 7
#17 60% History of the Universe 75% 1.1M 38% 8
#18 60% Spark 74% 2.0M 37% 7
#19 59% BBC Earth Science 74% 1.8M 36% 9
#20 58% Astrum Extra 77% 276K 30% 4
#21 58% Next Generation Science 71% 251K 39% 3
#22 58% Quinn's Ideas 76% 982K 30% 5
#23 57% Science ABC 74% 528K 31% 6
#24 56% StarTalk Plus 82% 272K 16% 4
#25 56% Science Channel 64% 5.3M 43% 7
#26 55% Astrum 76% 2.8M 24% 7
#27 55% Sciencephile the AI 79% 1.1M 20% 2
#28 55% Physics Explained 76% 368K 23% 4
#29 55% SpaceWeatherNews (S0) 71% 837K 30% 4
#30 55% Sleepy Science Channel 67% 242K 36% 6
#31 55% Piled Higher and Deeper (PHD Comics) 78% 139K 20% 2
#32 54% National Science Foundation News 78% 184K 19% 2
#33 54% National Geographic 66% 25.9M 37% 7
#34 53% The Royal Institution 73% 1.7M 23% 5
#35 53% Late Science 74% 105K 20% 2
#36 53% Cosmoknowledge 76% 796K 17% 6
#37 52% The Space Race 73% 712K 20% 4
#38 52% Still Watching Netflix 63% 10.7M 35% 6
#39 52% NASA 68% 12.7M 27% 4
#40 51% Jared Owen 74% 4.3M 17% 1
#41 50% BBC Ideas 69% 678K 21% 1
#42 49% Fermilab 70% 826K 19% 6
#43 49% Learn Bright 68% 896K 20% 2
#44 47% Bloomberg Technology 65% 717K 21% 1
#45 47% WashU Arts & Sciences 65% 1.7K 21% 1
#46 47% Vox 67% 12.7M 17% 1

Search Queries Used

astrophysics topics cosmology explained space exploration universe mysteries black holes basics dimensions explained alien megastructures flat earth critique three-body problem free will science debate antarctica science travel spaceX achievements planetary science comets near earth extraterrestrial life search space weather explained dark matter basics cosmic microwave background galaxy formation theories exo planets hunting neutron stars explained time dilation paradox quantum gravity basics gravity waves explained sci tech in space stellar life cycles planetary rings dynamics cosmic inflation theory multiverse concept explained astrobiology basics space telescopes overview habitable zone explained nebula formation dark energy concepts cosmic voids exploration

Frequently Asked Questions

Which YouTube channels are most similar to StarTalk?

Kurzgesagt – In a Nutshell (84% match, 25.1M subscribers), PBS Space Time (83% match, 3.4M subscribers), and Big Think (77% match, 8.6M subscribers). All three channels produce science and space-related content and target audiences interested in science education and explanations.

What type of content does StarTalk make?

StarTalk creates science and space-themed content, as shown by video titles like 'Why Neil Hates Parsecs', 'My Response to Terrence Howard', and 'Neil deGrasse Tyson Explains The Three-Body Problem'. The channel averages about 7M views per video, and upload frequency is described as ~? uploads per week.

How do we determine which channels are similar to StarTalk?

We analyze StarTalk's recent videos, generate topic-relevant search queries, check YouTube search results, and compare the meaning of each channel's content to measure similarity. The result is a ranked list sorted by SERP overlap, semantic similarity, and search appearances.

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