This size comparison video shows celestial bodies like stars, nebulae, and black holes shoulder to shoulder, on a human scale.

I first heard about the genre of “size comparison” videos on YouTube from this article in the New York Times , written by a mom whose seven-year-old ...

Bigger than a planet? Smaller than an atom? Size comparison videos are all the rage and may scratch a very old itch.

From a tower with the largest clock on Earth to a mind-bogglingly tall building that holds 7 world records, this video presents a 3D comparison of the tallest skyscrapers on the planet. It ...