Scientists really don't understand time... but they do have some theories about what it might (and might not) be.

Today's quote of the day is from the renowned physicist Albert Einstein. He discusses how money appeals to greed and ...

Einstein’s equations suggest that gravity may be capable of a process resembling the one behind powerful solar explosions. In a new theoretical study, physicists show how gravitational field ...

Tom Petty’s famous song applies to all of us, because of Einstein’s equivalence principle of gravity in free fall.

Physicists use plasma physics to explore gravitational reconnection, a theoretical process that could reshape field ...

Mathematicians are raising a major challenge to one of modern cosmology's most widely accepted explanations: the idea that dark energy is driving the ...

0:00 - Why time is a dimension 1:43 - Speed of light was a problem 3:54 - How Einstein resolved problem 4:54 - Minkowski geometry 6:59 - What're world lines 7:30 - What's a light cone 9:19 - How ...

Neil deGrasse Tyson explains how travelling to the future is possible thanks to relativity, and why we still cannot allow us ...

Mathematicians have uncovered what they argue is a fundamental flaw in the standard model of the universe, potentially challenging the need for dark energy. Their calculations suggest that the ...

Columbia University's Luca Comisso and Felipe A. Asenjo recast Einstein's equations in tetrad form to derive an analytic ...

Often described as a genius, physicist Sabrina Pasterski built and flew her own plane by the age of 16 and is now developing ...

It is the autumn of my third year of university. From the fourth year, I will gradually start working in a laboratory. And ...