Beyond the solar system lies a vast expanse where light from distant stars takes millennia to reach us. This episode explores the Oort Cloud, the nearest stars, the Milky Way’s unimaginable span, and ...

A superultramassive blob of gas, half the size of our Milky Way galaxy, has been discovered lurking at the edge of the universe. This means that the gas is both far away and very old, since the light ...