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 ...

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

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

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 ...

A fringe new theory suggests that time is the fundamental structure of the physical universe, and space is merely a byproduct. According to Gunther Kletetschka, a geologist — not a physicist, you’ll ...

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 ...

Nobel laureate Kip Thorne, who will deliver the Royal Irish Academy 2025 Hamilton Lecture, on his lifelong quest to ...

Scientists in Wales have built the world’s most sensitive table-top interferometer, which is a miniature, ultra-precise ...

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