Physicists have spent a century trying to reconcile the smooth fabric of spacetime in general relativity with the jittery ...

“Using newer mathematical tools, my colleague and I have demonstrated a new theory that may accurately describe the universe.

The fundamental nature of living things challenges assumptions that physicists have held for centuries.

Q: At a four-way stop with three cars approaching the intersection, in what order do they go? The first to arrive is the first to leave, but then does it pass to the left or pass to the next to arrive ...