We experience the flow of time because it’s a natural outcome of the basic laws of physics. But we may need to build a whole ...

Time feels like the most basic feature of reality. Seconds tick, days pass and everything from planetary motion to human memory seems to unfold along a single, irreversible direction. We are born and ...

The way time ticks forward in our universe has long stumped physicists. Now, a new set of tools from entangled atoms to black ...

Like stretch marks left on skin that expanded too quickly or cracks embedded in freezing ice, cosmic strings are artifacts of ...

Time travel has shifted from pure fantasy to a serious, if highly constrained, topic in modern physics. The equations that describe gravity, quantum fields and the structure of spacetime now allow ...

Quantum mechanics has always carried a quiet tension. At its core, the theory allows particles to exist in many states at ...

Have you ever stopped to wonder how time really works—how we move from one moment to the next, living life as a steady stream of “now” after “now”? This has been an unanswered question for centuries.

While popular AI models such as ChatGPT are trained on language or photographs, new models created by researchers from the ...