A theory that unites quantum mechanics and general relativity claims that there was no first moment in time, but it still agrees with the predictions of classical cosmology. It's in the stars One of ...

General relativity and quantum theory are the two pillars of modern physics, peerlessly accurate in their respective realms of the very large and the very small. But where they meet, they produce ...

No living physicist has yet made a discovery as great as those of Isaac Newton or Albert Einstein, but Roger Penrose is in a better position to do so than most. Combining a mastery of mathematics with ...