Two microscopic grains collide and produce a tiny spark. This phenomenon may have provided the energy to kick off life on Earth. But if these solid particles have the same composition, what factor ...

A radical idea that resolves many quantum paradoxes suggests there is no objective view of reality. How can the cosmos be stitched together from interlocking perspectives?

Before the reign of Zeus and the splendor of Mount Olympus, there was only Chaos—a yawning void of infinite potential. From ...