Gravity used to be the most down-to-earth of ideas, the thing that kept apples falling and planets in line. Now a growing ...

The idea that reality might be a kind of cosmic software has moved from late night dorm debates into serious physics journals ...

For two decades, scientists have seriously considered whether we’re living in a simulated universe. A computer scientist at the University of Louisville explores ways that humans could try to hack our ...

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