Approaching a black hole unleashes extreme tidal forces, stretching and tearing apart matter, including planets like Earth, a ...

This temporal lag is a direct consequence of Albert Einstein’s Theory of General Relativity. The rule is simple: the weaker ...

"A three-body problem is extremely complicated. Now we're dealing with four: the sun, Earth, the moon and Mars. The heavy ...

Einstein’s equations look simple on paper but when physicists follow them to their logical end, the universe becomes far ...

110 years ago today, Albert Einstein published his General Theory of Relativity, which redefined the relationship between matter and gravity. Suddenly, our mysterious universe made a little more sense ...

“When will AI achieve humanlike intelligence?” I recently asked a friend. “It already has,” he replied, suggesting that if you were to travel back in time to 1995 and evaluate our current versions of ...

Tracking time is one of those things that seems easy, until you really start to get into the details of what time actually is. We define a second as 9,192,631,770 oscillations of a cesium atom.

Abstract: The X-ray pulsar-based navigation (XNAV) is a feasible navigation method, which provides position information of the spacecraft. However, according to the theory of relativity, the time ...

Seriously, how does a character go from stand-up guy to complete louse in the course of a year, then get shot, and wake up more horrible than they were before two bullets were pumped into their back?