Photons can occupy the same point in space simultaneously due to their nature as bosons, allowing for an unlimited number of them in a given region. This contrasts with fermions, like electrons, which are restricted by the Pauli exclusion principle, preventing more than two from occupying the same space. The discussion emphasizes the unique quantum properties of photons compared to other particles. The ability to have multiple photons in one location increases the likelihood of additional photons arriving. Overall, the behavior of photons in space highlights fundamental differences in particle physics.