Sometimes, when a movie opens in theaters, the fight to become a box office hit can look like bloodsport. While some bad ...

After almost a century of speculation, proposals and searches for dark matter, physicists now know that it currently ...

Newsweek has looked at the potential fallout of the U.S. using the largest nuclear weapon in its arsenal, the B-83, on ...

Supermassive black holes, predicted by Einstein's general theory of relativity, can have masses equal to billions of suns; these cosmic monsters likely hide at the centers of most galaxies.