Some things you can see directly, like your fingers. Other things, like your chin, you need a mirror or a camera to see.

“Generating an incalculable paradox” might sound like a title from some cyberpunk novel, but for University of Louisville computer scientist Roman Yampolskiy, it’s one of several intricately detailed ...

Few scientific ideas have leapt from philosophy seminars to dinner-table debates as quickly as the claim that our universe ...

Physicists have long struggled to explain why the universe started with conditions suitable for life to evolve. Why do the physical laws and constants take the very specific values that allow stars, ...