We go about our busy days, occasionally glancing at our watch or the clock on the wall. But we seldom stop to think about how ...

Tracking time is one of those things that seems easy, until you really start to get into the details of what time actually is. We define a second as 9,192,631,770 oscillations of a cesium atom.

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London. Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and ...

Standing in the elevator of a towering skyscraper, you might wonder if your journey upward changes more than just your view. The answer might surprise you: time itself actually flows differently as ...

Five years ago, on April 10, 2019, the Event Horizon Telescope — a matrix of radio observatories situated around the world that turn the Earth into one giant radio telescope — captured something ...