The simulation hypothesis—the idea that our universe might be an artificial construct running on some advanced alien computer ...

The Dark Forest theory is one proposed solution to the famed Fermi Paradox, which has bewitched astronomers for more than half a century. To put it concisely, the paradox asks if the cosmos is nearly ...

Is there a universe where time flows backward or where our reality is flipped? The Mirror Universe Hypothesis explores this intriguing possibility, and we explain it all here. Three migrants fall from ...