The question of whether the universe has an edge touches one of the deepest mysteries in cosmology. It’s the kind of question that makes your brain hurt in the best way possible, challenging ...

Prologue: Cosmology's extraordinary new frontiers -- How far out can we see? : voyage to the edge of the known universe -- How was the universe born? : reavealing the dawn of time -- How far away will ...

This video explores what scientists mean when they talk about the edge of the observable universe. Using real observations ...

It started with a hunch. Or more accurately, a glow. Scientists using NASA’s James Webb Space Telescope were combing through the deep sky, same as they’ve done dozens of times, when something odd lit ...