| ★ |  How Can SPACE and TIME be part of the SAME THING? | | — | Estados Unidos | |
| 8 |  The fundamentals of space-time: Part 1 - Andrew Pontzen and Tom Whyntie | | — | Estados Unidos | 77 |
| 13 |  Einstein’s Special Relativity Theory | Does Time really Slow down | | — | India | 74 |
| 2 |  Einstein’s “Biggest Blunder” Was Actually Right | NOVA | PBS | NOVA PBS Official @novapbs | 386.2K | Estados Unidos | 81 |
| 11 |  How Will Time Die? | For Sleep Documentary w/ @NaturalWorldFacts | | 241.3K | Reino Unido | 75 |
| 14 |  What Exactly is Spacetime? Explained in Ridiculously Simple Words | | 70.5K | India | 74 |
| 3 |  When Physics Fails: The Problem of Space-Time | Quanta Magazine @quantasciencechannel | 68.6K | Estados Unidos | 79 |
| 4 |  Easy Way to Understand Special Relativity | Lorentz Transformation | Time dilation | | 48.2K | India | 78 |
| 12 |  We Finally Figure Out How "Time Is Actually Created" This New Quantum Experiment Stunned Scientists | exo-SCIENCE @exoplanetnews | 21.6K | Estados Unidos | 74 |
| 19 |  The Untold Story Behind the Space Race | FULL DOCUMENTARY | Naked Science @nakedscience | 13.7K | Reino Unido | 74 |
| 1 |  What is Space-Time? | Wondrium Perspectives | The Great Courses @thegreatcourses | 8.5K | Estados Unidos | 83 |
| 16 |  Des planètes aux galaxies — Comment la gravité contrôle l’Univers (3D) | | 6.9K | Canadá | 74 |
| 10 |  MASTER Astronomy In 5 Minutes!! | | 1.7K | Estados Unidos | 76 |
| 15 |  Rethinking Space in Game Design | Manifold Garden and Designing Spectacular Spaces | The Game Overanalyser @thegameoveranalyser4835 | 389 | Canadá | 74 |
| 18 |  La ciencia de todo: ¿Por qué la gente cree en la astrología? | La Liga de la Ciencia @laligadelaciencia | 383 | Argentina | 74 |
| 6 |  Space Time: four-dimensional continuum. | Engineering Technology @engineeringtechnology. | 248 | Estados Unidos | 78 |
| 7 |  Breaking Reality: The Leggett-Garg Inequality Explained! | Chronicles of the Curious @chroniclesofthecurious | 172 | Noruega | 78 |
| 9 |  ¡Alfa Centauri en 20 años! Descubre cómo podríamos llegar a la estrella más cercana a nuestro Sol | Tecnología Ciencia y Noticias del FUTURO @futuretechnologyscienceandnews | 41 | España | 77 |
| 17 |  The Science of Time Travel | Kimura Capital @kimura.capital | 32 | — | 74 |
| 5 |  Time Travel: A Reality Closer Than You Think | YouTube House @youtubehouse-hq | 14 | Bangladés | 78 |
| 20 |  Top 5 Most Mind Blowing Space Discoveries of All Time | | 13 | Sri Lanka | 74 |