Fusion is edging from hype to hardware—and Infinity Two is the latest bid to turn theory into gigawatt-grade reality. Here’s ...

Without the theorem of the excluded middle, all kinds of difficulties arise. In fact, many mathematical proofs are based on ...

An infinity symbol–shaped galaxy hosts an active supermassive black hole. The growing giant may have come from the aftermath of a galactic smashup.

Mathematicians who call themselves ultrafinitists think that extremely large numbers are holding back science, from logic to ...