According to physicist Albert Einstein, time is not a constant phenomenon as it appears, but is an illusion, and can vary from different vantage points.

Space is three-dimensional, and Time, according to the famous physicist, is the fourth dimension. It also speeds up or slows down, so is ...

Einstein's special theory of relativity applies only to steady, unchanging motion through space-time, not accelerating motion like an object falling toward Earth.

• It troubled Einstein that his theory didn't include gravity, and his battle to incorporate it made symmetry central to hi...

Albert Einstein went about his work in unique ways. From visualization to daydreaming and even a dash of musical inspiration, Einstein’s creative insights and philosophical vantage points help guide the work we tackle today.

Using simple thought experiments, Einstein was able to understand...