universe

Could our universe be just one among an infinite number of universes in the multiverse?At the foundation of modern theoretical physics lie the equations…

Does it even make sense to ask what happened before the Big Bang?The Big Bang theory is the prevailing theory about the “birth” of the universe. It posits…

Science can explain what happens. But can it explain why anything happens at all? The old metaphysical question – why anything exists at all – has…

How could the smartest, most observant people around believe for millennia that the sun and all the planets and stars all revolved around the Earth? Even…

Paul Salazar, or – as he calls himself on his blog – the Urban Astronomer recently joined KALW’s Ben Trefny in studio to talk about what’s up with the…

On today's Your Call, in light of NASA’s historic landing of the $2.5 billion “Curiosity” rover on Mars, we’ll talk about space. A planning group is…