Cool Worlds YouTube Channel Earnings Report & Research

To answer how much does Cool Worlds make, Branzly runs the channel's estimated 306.7K monthly views through the same ad revenue calculator used across the site: a Education RPM of $2.7-$6.8 from 2026 niche benchmarks, with the headline figure taken at the middle of that range ($4.8), the same RPM used in the home page calculator. That puts Cool Worlds YouTube ad revenue at roughly $828 to $2,086 per month, or $9,939 to $25,031 per year from AdSense alone.

RPM is what the channel actually keeps per 1,000 views after YouTube's 45% revenue share, unfilled ad inventory and ad blockers, which is why these Cool Worlds earnings figures sit far below the advertiser-side CPM quotes you may see elsewhere. Views from Tier 1 countries such as the United States, United Kingdom, Canada and Australia pay the most, while Shorts views pay a fraction of long-form RPM.

On top of ad revenue, we assume one integrated-mention sponsorship per month priced on 423.0K average views per video at a Education cost-per-view rate of $0.01 with a 1.2× niche multiplier — the identical model in our sponsorship calculator. That suggests a Cool Worlds sponsored video is worth about $5,117 to $10,233, with a fair midpoint near $7,309.

Sponsorship pricing follows views and engagement, not subscriber count, so a large channel with a quiet video is still only paid for the views that video earns. Brands asking "how much does it cost to sponsor Cool Worlds?" should expect dedicated videos to cost two to three times an integrated mention.

Channel-level deals work differently again. A retainer is an ongoing fee for a set of deliverables each month, not the sum of every slot the channel could sell, so pricing follows published size bands. With 1.1M subscribers, Cool Worlds sits in the Macro (1M-5M subs) band, where retainers typically run $18,000 to $40,000 a month. Niche demand, engagement, cadence across 1 uploads a month and how much of the audience watches each upload decide where in that band a deal lands. Spread back across uploads, that adds about $30,984 of value to each video.

Put simply, Cool Worlds YouTube earnings are estimated at roughly $27,633 to $52,319 per month when ad revenue, one sponsored integrated mention and a retainer are combined, or about $331.6K to $627.8K per year. Channels that publish more sponsored videos, sell merchandise or courses, run memberships, or earn affiliate commissions typically make more than this range.

Net worth estimates for YouTubers like Cool Worlds usually start from several years of this yearly income, minus taxes, team costs and production spend. Treat any Cool Worlds net worth figure as a planning range, not a disclosed number.

Cool Worlds (@coolworldslab) is a education YouTube channel that has published 275 videos and accumulated 116,322,828 lifetime views from an audience of 1,090,000 subscribers. The channel published its first video in March 2016, which makes it roughly 10 years and 8 months old, and it continues to publish content for viewers interested in education topics. In the creator's own words: "Space, astronomy, exoplanets, astroengineering and the search for extraterrestrial life & intelligence. The Cool Worlds Lab (http://coolworldslab.com), based at the Department of Astronomy, Columbia University, is a team of astronomers seeking to discover and understand alien worlds, particularly those where temperatures are cool enough for life, led by Professor David Kipping." Branzly analyses Cool Worlds using public YouTube data so creators, brands and media buyers can understand the channel's size, output and likely earning power before they reach out, benchmark against it, or plan a collaboration.

Cool Worlds has been on YouTube for approximately 10 years and 8 months, starting in March 2016. Across that period the channel has averaged around 28 uploads per year, which gives a useful signal about publishing consistency: channels that maintain a steady cadence typically build stronger session watch time and more predictable sponsorship inventory than channels that upload in bursts. Longevity also matters for advertisers, because an established back catalogue keeps generating views long after each video's launch week. With 275 videos in the library, Cool Worlds earns a meaningful share of its monthly views from older content rather than from new uploads alone, and that evergreen tail is one reason estimated revenue for education channels can stay stable between releases.

Cool Worlds currently has 1,090,000 subscribers, a figure that places the channel in the million-subscriber tier of YouTube creators. Total channel views stand at 116,322,828, and average views per video sit at approximately 422,992. The ratio of lifetime views to subscribers is about 106.7 views for every subscriber, which indicates a strong reach beyond the subscribed audience, typically driven by search, suggested video placements or Shorts distribution. Branzly estimates recent activity at roughly 306,749 views per month based on the channel's most recent uploads and publishing history, which is the number our ad revenue calculator uses to model earnings.

The most-watched long-form video currently visible for Cool Worlds is "The Strangest Idea in Science: Quantum Immortality" with 2,959,704 views. On the Shorts side, "“There is no Fermi Paradox” Response" leads with 179,836 views. Top-performing titles are worth studying because they reveal which hooks, formats and topics the algorithm rewards for this audience. For brands, they also show the realistic ceiling of a sponsored placement: a dedicated integration on a channel of this size will usually land somewhere between the average video performance of 422,992 views and the outliers shown above.

Based on an estimated 306,749 monthly views and typical education CPM ranges, Cool Worlds could earn roughly $828 to $2,085 per month from YouTube ad revenue, or approximately $9,938 to $25,030 per year. These figures reflect the AdSense share only. Most channels of this size also earn from brand sponsorships, affiliate links, memberships, merchandise and product sales, so total creator income is commonly several times the advertising estimate. Sponsorship value is usually priced per view rather than per thousand impressions, and education audiences typically command mid-range rates because of advertiser demand in that vertical.

Branzly classifies Cool Worlds under the Education category using the channel's description, keywords, topic signals and the language of its best-performing uploads. Category matters more than raw subscriber count when estimating revenue: a education channel attracts a specific set of advertisers, and CPMs vary widely between verticals such as finance, software, education, gaming and entertainment. The channel lists US as its primary country, which further shapes its CPM because advertiser spend differs sharply between geographies. Public channel keywords include Astronomy, Astrophysics, Exoplanets, which supports this classification. Use the Branzly ad revenue, sponsorship and financial freedom calculators to model how a channel like Cool Worlds converts views into monthly income, sponsorship pricing and long-term wealth.

Every figure on this page comes from the public YouTube Data API, refreshed each time Cool Worlds is searched on Branzly. Subscriber counts, view counts and video counts are reported directly by YouTube. Monthly views are an estimate: YouTube does not publish per-month analytics for channels you do not own, so Branzly reconstructs recent performance from the views of the channel's latest uploads, falling back to lifetime views divided by channel age when recent data is sparse. Revenue ranges are modelled estimates, not disclosed earnings, and actual payouts depend on monetisation status, watch time, ad formats, seasonality, audience geography and YouTube's revenue share. Nothing on this page is financial advice, and Branzly is not affiliated with or endorsed by Cool Worlds or YouTube.

Education channels like Cool Worlds sit in the Education RPM bracket. Advertisers pay more for audiences that buy — finance, business and tech pay the highest rates, while entertainment, gaming and music rely on huge view volume. Seasonality matters too: Q4 ad rates commonly run 30–50% higher than January.

Every figure on this Cool Worlds channel earnings report comes from public YouTube Data API statistics — subscribers, lifetime views, video count and recent upload performance — refreshed when the report is opened. Estimates are modelled, not disclosed income, and not financial advice. Want to test your own assumptions? Open the YouTube money calculator or browse brands that already sponsor similar creators in the sponsors directory.