Put simply, around 14 billion years ago, all matter and energy in the universe was at a point of infinite density and temperature. It then expanded rapidly, and eventually stars, galaxies and ...

If the observations of cosmic acceleration featured in the NOVA program "Runaway Universe" are correct, then the universe will probably continue to expand forever. Does this mean that the universe ...

If the history of the universe from the Big Bang to the present were laid out on a football field, Earth and our solar system would not appear until our own 33-yard line. Life appeared just inside ...