There’s no denying that the universe is one of the most complex things we can possibly try to get our heads around. Not only is it difficult to understand what goes on beyond the limits of the solar ...

Researchers have recently proposed the idea that we may have had two Big Bangs—one for normal matter and one for mysterious Dark Matter. It’s a possible explanation for why we have never seen ...

Paul M. Sutter is an astrophysicist at SUNY Stony Brook and the Flatiron Institute, host of "Ask a Spaceman" and "Space Radio," and author of "How to Die in Space." First developed around a century ...