Just up at Colliding Universes

The number 137 has its own Web page? Why?

Origin of life: Random origin of life was exploded by 1970s discovery - who didn't get the memo?

Astronomer argues that we can test whether Earth is fine-tuned as a science lab

Our unique solar system is less probable than our universe? - a reader writes

Colliding Universes is my blog on theories about our universe.