Dubbing these “closed timelike geodesics” (CTGs), Ralph and Sajeendran explain in the paper: “Such a CTG would be ideal for studying situations in which a particle interacts with its past or future ...

Anil Chaturvedi dives deep into the fascinating concept of time travel, connecting modern science with ancient wisdom.

In the moments before the Big Bang, our universe was a hot, dense, and extremely high-energy place. That all changed when the universe exploded 13.8 billion years ago. Rapid inflation divided a single ...

The quantum world operates by different rules than the classical one we buzz around in, allowing the fantastical to the bizarrely normal. Physicists have described using quantum entanglement to ...

From Christopher Nolan's Interstellar to the iconic Back to the Future series, here are the best time travel movies.

Whenever there's a debate about the best time travel movies or television shows of all time, nine times out of ten, the person you're debating will mention the 1985 classic, Back the Future. And for ...