Cool Worlds

Subscribers 1.1M

Videos 261

Views 109.6M

Channels Like Cool Worlds

Cool Worlds covers space, astronomy, exoplanets, astroengineering, and the search for extraterrestrial life and intelligence, as reflected in video titles and keywords. The channel appears to use deep-dives and exploratory content (e.g., explorations of habitable worlds, alien biospheres, exoplanets, and space telescopes) with a cadence of frequent uploads and pages showing an average of about 1.2M views per video.

Similar Channels

We found 44 YouTube channels similar to Cool Worlds

#1

Kyplanet

89% relevance

Subscribers 112K

Videos 208

Views 11.3M

Appearances 16

SERP 97%

Similarity 83%

habitable worlds astronomical exoplanets planetary habitability

Both channels concentrate on planetary science topics like habitable worlds and exoplanets, matching searches on habitable worlds and exoplanets and sharing a high overall alignment (89% match) though Kyplanet’s content is slightly less aligned with Cool Worlds' style.

#2

Biblaridion

84% relevance

Subscribers 158K

Videos 136

Views 16.9M

Appearances 15

SERP 100%

Similarity 74%

alien biospheres

They both explore exotic biospheres and alien life concepts, aligning on queries about alien biospheres; Biblaridion’s search overlap is perfect, but overall match is slightly lower due to content style differences.

#3

Astrum Extra view on YouTube ▶

82% relevance

Subscribers 276K

Videos 168

Views 52.5M

Appearances 13

SERP 84%

Similarity 81%

space telescopes life in the universe astronomical exoplanets

Astrum Extra covers life in the universe and exoplanets alongside space telescopes, producing a strong search and content overlap (84% search, 81% content), closely mirroring Cool Worlds’ focus.

Kurzgesagt – In a Nutshell YouTube channel thumbnail

#4

Kurzgesagt – In a Nutshell view on YouTube ▶

81% relevance

Subscribers 25.1M

Videos 349

Views 3.6B

Appearances 10

SERP 83%

Similarity 80%

extraterrestrial life astronomy and space alien civilizations

Both address extraterrestrial life and astronomy topics, with high search overlap on space-related queries and a broad but complementary content style relative to Cool Worlds.

#5

NASA view on YouTube ▶

81% relevance

Subscribers 12.7M

Videos 6K

Views 969.1M

Appearances 12

SERP 95%

Similarity 72%

habitable worlds space telescopes astronomical exoplanets

NASA targets habitable worlds, exoplanets, and space telescopes similar to Cool Worlds, yielding very high search overlap (95%) and solid content alignment (72%) given documentary/educational approach.

#6

Destiny

76% relevance

Subscribers 2.0M

Videos 311

Views 393.5M

Appearances 6

SERP 67%

Similarity 82%

habitable worlds habitable zone planets alien life signals

Destiny engages with habitable worlds and habitable zone concepts and occasionally alien life signals, generating substantial search overlap and strong content parity on space-focused topics.

Content Landscape

Competitors include Kurzgesagt – In a Nutshell (81% match) and NASA (81% match) as top contenders, due to overlapping queries like extraterrestrial life, astronomy and space, habitable worlds, and space telescopes. Kyplanet (89% match) and Biblaridion (84% match) also compete on habitable worlds, astronomical exoplanets, and alien biospheres, respectively, with 112K and 158K subscribers compared to Cool Worlds’ 1.1M. Astrum Extra (82% match) also covers space telescopes and life in the universe, aligning with Cool Worlds’ focus. Cool Worlds has a subscriber base smaller than Kurzgesagt and NASA but larger than Kyplanet and Biblaridion; all identified channels compete for similar search queries around exoplanets, habitability, life in the universe, and space exploration.

Video Highlights

Didn't Make the Cut

38 additional channels that were close

Rank	Relevance	Channel	Similarity	Subscribers	SERP	Appearances
#7	76%	Astrum ▶	81%	2.8M	68%	8
#8	72%	John Michael Godier ▶	81%	491K	59%	6
#9	71%	Kosmo	82%	810K	54%	7
#10	68%	Anton Petrov ▶	82%	1.6M	47%	4
#11	68%	NASA Goddard	76%	1.7M	55%	4
#12	67%	Insane Curiosity	81%	620K	45%	6
#13	66%	NASA Astrobiology	81%	26.4K	44%	6
#14	65%	Late Science	82%	105K	41%	10
#15	65%	Isaac Arthur	80%	873K	42%	4
#16	63%	History of the Universe	77%	1.1M	43%	6
#17	63%	Celestium	82%	161K	35%	4
#18	62%	Spark ▶	75%	2.0M	43%	7
#19	62%	Cool Worlds Podcast	81%	34.8K	34%	5
#20	62%	Veritasium ▶	79%	20.4M	37%	3
#21	61%	Jared Owen ▶	73%	4.3M	43%	3
#22	60%	Big Think ▶	78%	8.6M	34%	6
#23	60%	CrashCourse ▶	68%	16.9M	47%	3
#24	59%	What If ▶	77%	8.8M	34%	7
#25	59%	Cambridge University Astronomy	82%	11K	26%	1
#26	59%	Actual Space	81%	43.6K	26%	4
#27	58%	Dr. Becky	84%	852K	20%	2
#28	58%	StarTalk ▶	80%	5.4M	24%	4
#29	58%	WIRED ▶	73%	12.8M	35%	4
#30	57%	Science Channel ▶	67%	5.3M	42%	7
#31	57%	Professor Dave Explains ▶	72%	4.2M	34%	3
#32	57%	OSIRIS-REx Mission	73%	7.7K	32%	2
#33	56%	NASA Video	78%	1.0M	24%	2
#34	55%	Divergent Files	77%	13.6K	21%	1
#35	54%	GOTO Conferences	68%	1.1M	33%	3
#36	54%	The Space Race ▶	75%	712K	21%	5
#37	53%	Real Engineering ▶	71%	5.0M	27%	2
#38	53%	The Diary Of A CEO Clips	71%	2.3M	26%	1
#39	52%	Lex Fridman	73%	5.0M	21%	4
#40	51%	ABC News (Australia)	64%	2.5M	31%	3
#41	49%	BBC ▶	66%	15.4M	25%	4
#42	49%	NEON Science	68%	13.1K	21%	1
#43	49%	Cole Evyx	64%	25.3K	26%	1
#44	49%	World Climate Research Programme	67%	3.7K	21%	1

Search Queries Used

exoplanet atmospheres habitable worlds extraterrestrial life exoengineering astronomy and space space telescopes alien civilizations cool worlds life in the universe astronomical exoplanets planetary habitability search for life in space cosmic exploration astrobiology stellar systems habitable zone planets alien life signals exoengineering concepts space telescope data astrobiology basics extraterrestrial intelligence search cool world climates biosignature detection stellar habitable zones exoarchaeology ideas life in star systems planet formation theories remote life detection terrestrial exoplanets space mission concepts cosmic climate models alien biospheres astronomical spectroscopy

Frequently Asked Questions

Which YouTube channels are most similar to Cool Worlds?

Kyplanet — 89% match, 112K subscribers; Biblaridion — 84% match, 158K subscribers; Astrum Extra — 82% match, 276K subscribers. All three channels share a focus on space, astronomy, and astrophysics-related topics, similar to Cool Worlds.

What type of content does Cool Worlds make?

Cool Worlds creates science-oriented space content, with titles about the universe, space telescopes, exoplanets, and potential life or civilizations. Upload frequency is not precisely stated, but the average video views are around 1.2M per video.

How do we determine which channels are similar to Cool Worlds?

We analyze Cool Worlds'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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