Gravity used to be the most down-to-earth of ideas, the thing that kept apples falling and planets in line. Now a growing group of physicists is treating it as a possible glitch report from the fabric ...

For decades, many scientists and philosophers have been trying to find out a billion-dollar question: Do humans live in a ...

Thu, March 27, 2025 at 3:30 PM UTC In the early 4th century BCE, the legendary ancient Greek philosopher Plato put forth a simple thought experiment. Known as the Allegory of the Cave, the idea ...

The idea that reality might be a kind of cosmic software has moved from late night dorm debates into serious physics journals, and now dueling teams of researchers are claiming they finally have the ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to CuriousKidsUS@theconversation.com. Is the whole universe just a simulation?

The simulation hypothesis—the idea that our universe might be an artificial construct running on some advanced alien computer—has long captured the public imagination. Yet most arguments about it rest ...

An experiment seeks to confirm the "fifth state of matter in the universe" and suggests we live in a simulation. This discovery would potentially change physics as we know it. Dr. Melvin Vopson, a ...