Top 20 Science Influencers on YouTube

Science content on YouTube has matured from niche curiosity into one of the platform's most durable and commercially significant categories. Audiences ranging from casual browsers to working professionals now turn to YouTube for explanations of quantum mechanics, engineering breakdowns, chemistry demonstrations, and neuroscience research that mainstream media rarely covers with adequate depth. The creators shaping this space blend rigorous research with production techniques that hold attention at scale, making science genuinely accessible without sacrificing accuracy. For brands, media partners, and researchers tracking influence in the STEM ecosystem, understanding who commands this audience, and how, is increasingly a strategic priority.

Top 20 Science Influencers on YouTube

1) – MR. INDIAN HACKER

MR. INDIAN HACKER MR. INDIAN HACKER produces high-energy experiment and DIY science content primarily targeting a South Asian audience, with videos ranging from basic chemistry reactions to large-scale gadget builds. His channel has achieved remarkable subscriber velocity within India's fast-growing YouTube ecosystem, making him one of the most-subscribed science-adjacent creators on the platform. His format prioritizes visual spectacle and accessible framing over technical depth, which has proven highly effective for broad audience retention.

2) – Veritasium

Veritasium Veritasium, run by Derek Muller, is known for long-form investigative science videos that often challenge common misconceptions or explore counterintuitive phenomena across physics, mathematics, and engineering. Muller holds a PhD in physics education, and that background is evident in how he structures arguments and sources expert interviews throughout his content. The channel has a strong record of producing videos that circulate widely in academic and professional science communities, not just general audiences.

3) – Mark Rober

Mark Rober Mark Rober, a former NASA and Apple engineer, produces engineering-driven project videos that blend large-scale builds with scientific principles, often tied to philanthropy initiatives or social experiments. His production quality is among the highest on YouTube, and several of his videos, including annual squirrel maze and glitter bomb series, have generated mainstream press coverage. The channel's subscriber count places it among the largest science-related channels globally, with consistent performance across age demographics.

4) – Hacksmith Industries

Hacksmith Industries Hacksmith Industries focuses on engineering real-world versions of fictional technologies drawn from film, television, and gaming, with a team-based production model that emphasizes the fabrication and testing process. The channel functions as much as a maker and engineering showcase as it does entertainment, regularly involving professional welding, CNC machining, and materials science. Its content appeals particularly to viewers interested in applied engineering and product development workflows.

5) – SmarterEveryDay

SmarterEveryDay SmarterEveryDay, hosted by Destin Sandlin, uses high-speed cameras and hands-on experimentation to examine physical phenomena across fields including fluid dynamics, ballistics, and aerospace. Sandlin's background in mechanical engineering and his work with organizations like NASA and the US military have provided access to environments and equipment rarely seen in independent YouTube content. The channel maintains a consistently analytical tone without sacrificing narrative accessibility.

6) – NileRed

NileRed NileRed, run by Nigel Braun, is one of YouTube's most technically precise chemistry channels, documenting complex synthesis processes and chemical reactions with a methodology-forward approach that appeals to viewers with formal chemistry backgrounds as well as engaged amateurs. His longer project videos, which can exceed one hour, follow multi-step laboratory procedures in real time with thorough explanations of the underlying chemistry. The channel is frequently cited in discussions about high-quality STEM content for its accuracy and production consistency.

7) – Kurzgesagt – In a Nutshell

Kurzgesagt – In a Nutshell Kurzgesagt – In a Nutshell is a Munich-based production studio that creates animated explainer videos on topics spanning astrophysics, biology, geopolitics, and existential risk, with a distinctive flat-design visual style. Each video is extensively researched and often produced in collaboration with domain experts, with the studio publishing detailed source lists for most uploads. The channel's combination of visual coherence and topic breadth has made it one of the most broadly recommended science channels across educational institutions.

8) – ElectroBOOM

ElectroBOOM ElectroBOOM, hosted by Mehdi Sadeghi, an electrical engineer, uses a deliberate comedy-of-errors format to explain electrical engineering concepts, often by demonstrating what happens when circuits are built incorrectly. Behind the comedic framing is a technically rigorous approach to explaining AC/DC theory, electromagnetic fields, and circuit behavior, which has earned the channel credibility among engineers and educators. The format is notably effective at making electronics accessible to viewers with no prior technical background.

9) – minutephysics

minutephysics minutephysics produces short, hand-drawn animated videos explaining physics concepts ranging from special relativity to quantum mechanics, with a format that prioritizes clarity and brevity over comprehensive coverage. Creator Henry Reich has a physics degree and has collaborated with other prominent science communicators, lending the channel a well-connected position within the broader YouTube science ecosystem. The short-form format has made the channel a frequently referenced resource in secondary and post-secondary educational contexts.

10) – Andrew Huberman

Andrew Huberman Andrew Huberman, a tenured neuroscience professor at Stanford University, produces long-form podcast-style episodes focused on neuroscience, physiology, and evidence-based health practices. His content is heavily citation-driven, with episodes regularly referencing peer-reviewed research, and he frequently hosts other researchers and clinicians as guests. The channel has achieved significant crossover into mainstream health and wellness audiences while maintaining a research-grounded approach that distinguishes it from most consumer health content.

11) – What If

What If What If produces animated speculative science videos structured around hypothetical scenarios, what would happen if the sun disappeared, if Earth had two moons, or if a black hole appeared in the solar system, using these premises to explain real scientific principles. The format is designed for broad accessibility rather than depth, functioning as an entry point to topics in astrophysics, geology, and biology. The channel's consistent upload cadence and topic variety have sustained strong subscriber engagement across several years.

12) – Big Think

Big Think Big Think operates as a media organization as much as a YouTube channel, publishing interview-based and short explainer content featuring scientists, philosophers, economists, and public intellectuals across a wide range of disciplines. The channel's content is more discursive and idea-oriented than experimentally focused, often exploring the implications of scientific findings rather than the mechanics. Its breadth makes it a generalist science and ideas destination rather than a channel associated with a single host or subject area.

13) – StarTalk

StarTalk StarTalk is the YouTube extension of Neil deGrasse Tyson's podcast and radio show, featuring conversational discussions of astrophysics, space exploration, and science culture, often with celebrity guests used as entry points for broader scientific topics. The format is more talk-show than educational series, which differentiates it from other science channels in both tone and audience expectation. The channel benefits from Tyson's high public profile and his affiliation with the American Museum of Natural History.

14) – Real Engineering

Real Engineering Real Engineering, produced by Brian McManus, creates documentary-style explainer videos on complex engineering systems, infrastructure, and industrial design, covering topics such as aircraft engineering, energy grids, and materials science. The channel is characterized by thorough research, clean motion graphics, and a measured analytical tone that avoids sensationalism. It has become a frequently recommended resource for viewers seeking substantive engineering content at a level between general-audience and technical professional.

15) – The Action Lab

The Action Lab The Action Lab, hosted by James Orgill, an engineer and materials scientist, demonstrates physical and chemical experiments with an emphasis on phenomena that are visually striking or counterintuitive, such as non-Newtonian fluids, vacuum effects, and magnetic field interactions. The channel's format is experiment-first, with explanations woven around demonstrations rather than preceding them. Its consistent output and accessible framing position it as a practical demonstration channel rather than a deep-dive educational resource.

16) – Steve Mould

Steve Mould Steve Mould, a science communicator and former stand-up comedian, produces videos on physics and mathematics with a focus on patterns, emergent phenomena, and everyday science questions that don't have immediately obvious answers. His presentation style is conversational and methodical, often working through problems on screen in a way that makes the reasoning process visible. The channel has developed a reputation for tackling topics that other science channels overlook, particularly in the areas of fluid dynamics and physical paradoxes.

17) – QuantumFracture

QuantumFracture QuantumFracture is a Spanish-language science channel that produces animated explainers on physics and mathematics, covering topics from quantum mechanics to general relativity with a level of technical precision uncommon in the Spanish-language YouTube science space. The channel has been instrumental in expanding access to high-quality physics communication for Spanish-speaking audiences globally. Its subscriber count reflects significant reach across Latin America and Spain without the benefit of English-language discoverability.

18) – Vsauce2

Vsauce2 Vsauce2, hosted by Kevin Lieber, operates as a spinoff of the original Vsauce brand and focuses on mathematical puzzles, paradoxes, game theory, and mind experiments rather than traditional physics or biology content. The channel's approach is more philosophical and logical than empirical, often exploring the boundaries between mathematics, decision theory, and human cognition. It occupies a distinct niche within the broader science category by centering abstract reasoning over laboratory or observational science.

19) – Deep Look

Deep Look Deep Look is produced by KQED, a public media organization, and uses extreme macro and micro cinematography to explore the biology and behavior of small organisms, from insects and marine life to fungi and microbes. The production quality of its visual work is consistently high, with footage that requires specialized equipment and significant post-production investment. The channel functions as a visually driven natural history resource with narration grounded in current biological research.

20) – Quanta Magazine

Quanta Magazine Quanta Magazine's YouTube channel extends the editorial work of its parent publication, which is known for rigorous coverage of mathematics, physics, biology, and computer science at a level that bridges scientific research and informed general readership. Videos typically feature animated explainers or interviews with researchers covering recent findings in foundational science. The channel's relatively modest subscriber count reflects its deliberately narrow, research-adjacent audience rather than a general science viewership.

The science category on YouTube continues to attract audiences that are difficult to reach through conventional advertising channels: educated, curious, and highly engaged. The creators on this list represent a range of formats, from short animated explainers to long-form experimental series, reflecting the diversity of ways science content can hold sustained audience attention. For anyone building partnerships, sponsorships, or media strategies in the STEM space, this roster offers a useful starting framework for identifying where credible scientific communication and meaningful reach actually intersect.