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 ...

To most of us, time feels as solid as the phone alarm that drags us out of bed or the calendar that fills up faster than we ...

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 ...

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

When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: Getty Images Time may not be a fundamental element of the universe but rather an illusion ...

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 ...

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 ...

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