life on other planets

SCIENCE

Every Alien World We Could Actually Live On

What If | July 17, 2026

Enjoying this video? Dive even deeper into the world of science and discovery with Popular Science, the free streaming channel bringing you more of what you love from What If, plus epic explorations in engineering, rocket launches, movies, space, and Earth sciences https://underknown.com/popularscience/ Support us on Patreon: https://www.patreon.com/whatifshow/membership 00:05 – […]

SCIENCE

What If Aliens Are Watching Us?

What If | February 11, 2026

Watch the discussion episode on this topic featuring world-renowned astrobiologist and President of METI (Messaging Extra-Terrestrial Life) Douglas Vakoch: https://www.youtube.com/watch?v=6fAgihenxcU Do you ever feel like you’re being watched? Not by a creepy stalker, but by aliens. Yup, it might be happening. Just like we watch animals at the zoo, aliens […]