Space and matter are the two most important, universe determining fundament of our world. Space and matter are not separated from each ot...

Measuring gravitational waves by measuring distances with light waves, what the LIGO project was built on raises questions as it was disc...

Now we know, the matter what we see, all the planets, stars, galaxies and everything between them, and the matter what we are built ...

The dark matter in the universe is about 24%, the visible matter is about 4%. The presence of dark matter contributes to gravity; this is...