The best of all universes?

Two contrasting visions of humanity’s future in space

Mass extinctions and evolutionary leaps, from bacteria to Homo sapiens

f you’ve ever read anything about cosmology, you’ll have come across an astonishing statistic: all the matter around us, everything we see and touch, every star and gas cloud and planet, makes up just

Contempt for democracy and the perversion of classical liberalism

What happens when the human brain shuts down

Ancient India gave the world its number system, anticipated Galileo’s heliocentric theory by a millennium and spread its culture from Egypt to Siberia–only to be almost entirely forgotten. It’s past time to restore it to its rightful place in history