We found 46 YouTube channels similar to StarTalk
They share audience interest in cosmology and fundamental physics topics (cosmology explained, black holes basics) and both target science-curious viewers, with high search overlap (100%) but slightly lower content alignment (73%).
Both channels cover advanced space physics (cosmic microwave background, neutron stars) and quantum gravity concepts, aligning on searches like those topics; high search overlap (92%) shows shared queries, with strong content alignment (77%).
They both address broad astrophysics topics and controversial science debates (free will) appealing to analytical audiences, yielding high search overlap (78%) and solid content similarity (76%).
Both explore black holes and extraterrestrial life ideas, attracting viewers curious about space phenomena (alien megastructures, extraterrestrial life search) with notable search overlap but somewhat lower content alignment (75%).
Both explain cosmology and dark matter concepts to a scientifically minded audience, with shared queries like cosmology explained and dark matter basics; search overlap is solid (61%), content similarity strong (74%).
They cover introductory astrophysics topics and cosmology explanations for learners, plus debates on free will, resulting in strong search overlap (64%) and moderate-to-strong content alignment (67%).
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 |
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 compete with StarTalk by delivering science and space content to a broad audience, focusing on explanations of complex topics for general viewers.
StarTalk creates science and space themed videos, evidenced by titles like 'Why Neil Hates Parsecs', 'My Response to Terrence Howard', and 'Neil deGrasse Tyson Explains The Three-Body Problem'. The channel has an average of about 7M views per video and reports an unspecified uploads per week.
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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