A recent landmark discovery adds to our understanding of how the universe was born.
Asteroids and satellites, oh, my! Two reports warn us to cast a wary eye above as space debris -- natural and man made -- drops from the sky. But don’t over-fret: Odds of getting hit are very small, though experts warn that the right-size asteroid would cause major damage.
In his new book, the famed physicist dismisses the notion, sometimes peddled by scientists, that a deity was involved with the big bang: "Because there is a law such as gravity, the universe can and will create itself from nothing It is not necessary to invoke God to light the blue touch paper and set the universe going".