Why do we hold the beliefs we do? If the answer is simply, “Because I belong to the mainstream,” then we are no different from the Peripatetics who opposed Galileo.

Human beings have always prized friendship. As the ancient Greek philosopher Aristotle wrote: “no one would choose to live without friends,” even if they could have all other good things instead.

For the past few years, a series of controversies have rocked the well-established field of cosmology. In a nutshell, the predictions of the standard model of the universe appear to be at odds ...

"This discovery poses a challenge to the Lambda Cold Dark Matter model, which may struggle to account for the formation of such small, aligned groups of galaxies in isolated environments ...