All of the Doctor's incarnations are in crisis when The Rani creates a time-loop in the East-end of London in this 30th Anniversary Special.

In a groundbreaking exploration of physics, researchers have revealed a way to extend Albert Einstein's special theory of ...

But even physicists who spend all day thinking about extra spatial dimensions have a hard time describing what they might look like or how we apparently feeble-minded humans might approach an ...

We were able to show this based on the behaviorally relevant dimensions we had previously discovered." The researchers used a computer model to identify 66 object dimensions from behavioral data ...