It's Saturday! This week, in an eminently practical analysis of the Boltzmann brain conjecture, physicists put constraints on the idea that memories could arise from random fluctuations in entropy ...

The curious minds at What If explore what would happen if scientists found life on Europa, revealing icy ecosystems, alien ...

Hungarian biologist Tibor Gánti is an obscure figure. Now, more than a decade after his death, his ideas about how life began ...