A new theory suggests gravity could possibly be the result of entropy—which would mean everything in the universe would fall ...

Einstein’s Theory of General Relativity is currently our best approximation of how the universe ticks. But there are holes.

There’s an adage coined by [Ian Betteridge] that any headline ending in a question mark can be answered by the word “No”.

A new software package detailed by Chinese scientists promises to tell what time it is on the moon, accounting for effects of ...

An illustration shows how Relativity Space’s Stargate metal 3-D printer compares with the height of a human. (Relativity Space Illustration) Just a week after unveiling an agreement to use one of NASA ...

Why can't anything travel faster than the speed of light? Do black holes really suck? And why is the universe expanding? These are just a few of the questions author and astrophysicist Jeffrey Bennett ...

One hundred years ago this Wednesday, Albert Einstein gave the last of a series of presentations to the Prussian Academy of Sciences, which marks the official completion of his General Theory of ...