Looking Up is transcribed using a combination of AI speech recognition and human editors. It may contain errors. Please check the corresponding audio before quoting in print. Dean Regas: Astronomers ...

For millions of humans, death is seen as a final, inescapable moment, when our conscious selves cease to function. But for others, it is the start of a new life in a new realm – the point where our ...

How the same region of the Universe would look in terms of the amount of stars for different values of the dark energy density. Clockwise, from top left, no dark energy, same dark energy density as in ...