Look. I know how this sounds.When people say “I have a wild Harry Potter theory,” they usually suddenly pull out a corkboard and some red string, while they start explaining why a background character ...

The multiverse theory allows for countless alternate realities, where physics and life may differ dramatically.

Why does string theory matter so much? 😳 Physicist Michio Kaku explains how this bold idea could unify the laws of physics, ...

Cosmology and quantum physics both offer tantalizing possibilities that we inhabit just one reality among many. But testing ...

Like stretch marks left on skin that expanded too quickly or cracks embedded in freezing ice, cosmic strings are artifacts of ...

Philosopher Bertrand Russell believed that the way we understand our world fundamentally shapes the way that we live our lives. Thus, an anarchist lives a very different sort of life than, say, an ...

Primordial black holes could rewrite our understanding of dark matter and the early universe. A record-breaking detection at ...