On the March 12 episode of The Big Bang
Theory , a mock copy of Scientific American
of gravity waves in the cosmic microwave background, the light left over from the Big Bang.
Philip and Phylis Morrison review the way the universe came into existence and how it continues to evolve.
Almost 600 million years ago animal evolution demonstrated an unmatched burst of creativity. Has the mechanism of evolution altered zn ways that prevent fundamental changes in the body plans of animals?
Signal of gravitational waves was too weak to be significant, studies suggest.
Premature hype over gravitational waves highlights gaping holes in models for the origins and evolution of the Universe, argues Paul Steinhardt.
New theory calls into question whether we'll ever know what the universe was like before the big bang
, and the disappearance from the night sky of stars, galaxies , and any evidence the Big Bang ever happened