Animated space-science series
Real space. Real science. Big adventures.
Short, gorgeous explainers about how the universe actually works — for curious humans of every age.
Latest episode
Two clocks, synced this morning, already disagree — and neither one is broken. An eight-and-a-half-minute trip through gravitational time dilation: why your head ages faster than your feet, why every map on Earth depends on it, and how time very nearly stops at the edge of a black hole.