The philosopher Karl Popper pointed out that most early practition­­ers of science were justificationists. They didn’t just seek out any old knowledge; they were on the hunt for justified knowledge.

In 1927, Albert Einstein and Neils Bohr debated the nature of what’s known as complementarity—the idea that a photon’s dual wave-like and particle natures can’t be measured at the same time. Now, two ...

If you’ve had your fill of Genshin Impact and want to play something different, Aether Gazer is a feast for the eyes. Combat is fluid and fast, and science-fiction and anime go pretty well together.

Physicists are quietly testing wild new theories that treat a hidden fifth dimension as more than science fiction, suggesting ...