We found 46 YouTube channels similar to Spark
Very high search overlap (planetary science, space, solar system) with Spark, and strong content alignment (83%), making them similar in topics though BBC may present with documentary-focused storytelling rather than Spark's style.
Shares searches on ice ages, Mars water loss, and solar system missions, matching Spark in topic scope but with slightly lower content alignment, suggesting similar subject matter yet a different presentation.
Targets the same queries (planetary science, space documentaries, extreme space events) with content closely aligned (73%), indicating a strong topical similarity and comparable documentary approach.
Occupies overlapping ground on geology and outer space discoveries; search overlap is moderate (57%) but content overlap is high (75%), signaling shared topics with a historically oriented framing.
Covers geology, cosmology basics, and big bang science, aligning with Spark on core science topics; search overlap is decent (51%) though content overlap is higher (70%), indicating concise educational style with similar subject matter.
Shares queries about water on planets and rare celestial events and shows strong content alignment (74%), yet search overlap is lower (43%), suggesting similar themes but less cross-channel search visibility.
40 additional channels that were close
| Rank | Relevance | Channel | Similarity | Subscribers | SERP | Appearances |
|---|---|---|---|---|---|---|
| #7 | 60% | Professor Dave Explains ▶ | 71% | 4.2M | 44% | 9 |
| #8 | 59% | Late Science | 70% | 105K | 43% | 8 |
| #9 | 59% | TV - Quantum Universe | 78% | 165K | 31% | 4 |
| #10 | 59% | Cosmoknowledge | 76% | 796K | 32% | 6 |
| #11 | 58% | WUFO - Science Documentaries | 83% | 30.1K | 21% | 5 |
| #12 | 56% | TED ▶ | 72% | 27.2M | 34% | 3 |
| #13 | 56% | Ryūsei | 74% | 9.2K | 30% | 2 |
| #14 | 56% | SEA | 77% | 758K | 24% | 3 |
| #15 | 56% | NASA ▶ | 69% | 12.7M | 35% | 5 |
| #16 | 55% | World Science Festival | 74% | 1.4M | 27% | 4 |
| #17 | 55% | Destiny | 75% | 2.0M | 24% | 6 |
| #18 | 54% | National Geographic ▶ | 71% | 25.9M | 30% | 7 |
| #19 | 54% | PBS Space Time | 75% | 3.4M | 23% | 5 |
| #20 | 54% | NASA Goddard | 74% | 1.7M | 24% | 6 |
| #21 | 53% | History of the Universe | 71% | 1.1M | 27% | 6 |
| #22 | 53% | TED-Ed ▶ | 70% | 22.4M | 27% | 4 |
| #23 | 53% | Astrum Extra | 78% | 276K | 15% | 5 |
| #24 | 53% | World Information Space | 74% | 1.3K | 22% | 3 |
| #25 | 53% | StarTalk ▶ | 74% | 5.4M | 21% | 5 |
| #26 | 53% | Arvin Ash | 74% | 1.1M | 21% | 4 |
| #27 | 53% | AstroKobi | 75% | 3.0M | 20% | 7 |
| #28 | 52% | John Michael Godier ▶ | 72% | 491K | 23% | 3 |
| #29 | 52% | SciMind | 75% | 21.5K | 18% | 1 |
| #30 | 52% | PSW Science | 77% | 14.5K | 14% | 1 |
| #31 | 52% | Naked Science | 75% | 1.7M | 17% | 5 |
| #32 | 52% | Beyond Horizons | 74% | 52K | 18% | 3 |
| #33 | 51% | PBS Eons | 73% | 3.2M | 19% | 3 |
| #34 | 51% | Insane Curiosity | 73% | 620K | 17% | 2 |
| #35 | 51% | It's Just Astronomical! | 73% | 98.8K | 18% | 1 |
| #36 | 50% | Discovery UK | 72% | 4.9M | 18% | 1 |
| #37 | 50% | AstroBackyard | 67% | 528K | 25% | 3 |
| #38 | 50% | Veritasium ▶ | 70% | 20.4M | 21% | 3 |
| #39 | 49% | Lincoln Learning Solutions | 71% | 33.7K | 17% | 2 |
| #40 | 49% | Space Junkies ▶ | 72% | 7.5K | 14% | 1 |
| #41 | 49% | WashU Arts & Sciences | 68% | 1.7K | 21% | 2 |
| #42 | 49% | Stanford ▶ | 70% | 2.1M | 18% | 1 |
| #43 | 49% | KISSCaltech | 72% | 6.6K | 15% | 2 |
| #44 | 48% | Science Time | 70% | 1.1M | 17% | 4 |
| #45 | 48% | SALT SHACK - EDUCATION | 70% | 8.2K | 14% | 1 |
| #46 | 48% | FuseSchool - Global Education ▶ | 63% | 915K | 25% | 2 |
Spark's biggest YouTube competitors are BBC Earth Science (90% match, 1.8M subscribers) and Astrum (75% match, 2.8M subscribers), with Science Channel as a close third (72% match, 5.3M subscribers). All three channels publish science-focused content with educational and documentary-style videos that appeal to viewers interested in science, technology, and learning.
Spark creates educational science and technology content, with titles such as Welcome To Spark and Naked Science episodes like The 200-Million-Year Formation Of The Rocky Mountains and The Mysteries Of Pluto. The channel posts videos that average around 508.9K views, and the list suggests a regular series format (Naked Science Season 5) with multiple weekly uploads.
We analyze Spark'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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