Dark matter? Who needs it?! Gravity may be something else altogether.
[/caption] Yes. We thought we knew everything there was to know about black holes. We know they are massive and…
[/caption] Trying to understand the warping of space and time is something like visualizing a scene from Alice in Wonderland…
The concept of a space-time singularity - where time and space itself become infinite and undifferentiated - is one of…