Space and time seem like two completely different ideas, but Einstein showed they are interlinked in what is known as space-time. Here's what it means!

The world’s best clocks may be sensitive to an odd mix of quantum and relativistic effects that would stretch time and test the boundaries of physics ...

Time dilation means two observers may experience the same events years apart, revealing there is no universal “now.” ...

The measurement problem in quantum mechanics looks at how an experimental outcome changes, simply by observing it.

In January I wrote a piece titled “ 5 Physics Equations Everyone Should Know .” Lots of you weighed in with your own ...

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

While some stories are better when things are moving slow, sci-fi is often at its most fun when things are moving at warp speed. For instance, a fighter craft is probably faster than a capital ship in ...

Scientists have developed the first-ever time crystals that are visible to the human eye, and they could one day make their way onto $100 bills. The time crystals emerge from the kinks that appear ...

Christopher Nolan's movies can be hard to understand, but some seriously challenge your brain more than others.

A new era in science is emerging, one that returns the study of the mind to the center of the conversation for psychology, one with a new toolkit for questions in consciousness.

Autumn is here, and that means it's time for the clocks to fall back. Here's everything to know with daylight saving time coming to a close.