Ah, yes, the three states of matter: Solids, liquids, and gases. What a simple way to understand our physical world. Of course, if you remember a bit of high school science, you probably recall a ...

An example of 3-D distribution of dark matter reconstructed via tomographic methods using the weak lensing technique combined with the redshift estimates of the background galaxies. Disclaimer: AAAS ...

An illustration of an active black hole, one that accretes matter and accelerates a portion of it outwards in two perpendicular jets. The normal matter undergoing an acceleration like this describes ...

Scientists have demonstrated the existence of gravity between antimatter and Earth, reaffirming Albert Einstein’s General Theory of Relativity. It is thought that Isaac Newton's historic work on ...