Can we journey through time? Sci-fi author Dete Meserve presents a compelling case for our future in the past.

Discover how Einstein’s theory of special relativity reshaped physics by linking space, time, mass ... speed limit — nothing with mass can travel faster than light. Einstein’s equation ...

The discovery in 1998 that the Universe is expanding faster over time shook the foundations of cosmology. This finding ...

Explore wormholes: theoretical cosmic shortcuts through spacetime. Learn if they're real, what they might look like, and ...

In 2015, a piece of equipment at an observatory in the US moved one quintillionth (10-18) of a meter. This tiny movement was ...

Black hole and Big Bang singularities break our best theory of gravity. A trilogy of theorems hints that physicists must go ...

The Terrell-Penrose effect, predicted in 1959, suggests that objects moving at speeds close to that of light appear rotated.

The idea was first hypothesized about 70 years ago. In a bizarre repercussion of Albert Einstein's Special Theory of ...

The speed of light was a mystery for millennia, a fugitive constant that escaped measurement and understanding. Now among the ...

When it comes to space travel, Albert Einstein's theory of relativity is a major inconvenience ... "Planet of the Apes" and "Interstellar" — time dilation isn't going to cause starship crews ...

Beyond Human Comprehension Before diving into specific examples, it's crucial to understand how Hindu philosophy views time.