Scientists really don't understand time... but they do have some theories about what it might (and might not) be.

Dubbing these “closed timelike geodesics” (CTGs), Ralph and Sajeendran explain in the paper: “Such a CTG would be ideal for ...

Scientists discover time rondeau crystal, a new phase of matter showing unique time-based order, distinct from time crystals.

As scientists get closer to putting humans on Mars, the need to understand why clocks tick faster on the red planet is more ...

What does it mean to be to space-time? The seemingly simple question gets to the essence of twentieth-century physics and has driven a hundred-year debate between philosophy and science. In Einstein’s ...

Star Trek's iconic warp drive, once pure science fiction, is now inspiring real-world astrophysicists. Scientists are ...

What if the universe remembers? A bold new framework proposes that spacetime acts as a quantum memory. For over a hundred ...

One of the most awkward parts of writing a book is that, eventually, authors have to ask people for “blurbs” – the endorsements that you see on the cover of a book, encouraging you to buy it. I am now ...

Exploring the BTZ black hole in (2+1)-dimensional gravity took me down a fascinating rabbit hole, connecting ideas I never expected—like black holes and topological phases in quantum matter! When I ...

Breakthrough from Princeton team reveals exotic quantum state that coherently blends many-body correlation and quantum ...

Since 1991, UChicago’s Kavli Institute for Cosmological Physics has connected students from Chicago Public Schools with world ...