A groundbreaking theory suggests that dark matter—the invisible material shaping galaxies—may have formed before the Big Bang ...

one big question about the big bang remains: “What was it that banged?” The answer lies in his theory of cosmic inflation. “It sets up the conditions for the big bang—like a prequel ...

How did the universe begin? A compact NASA space telescope that uses less power than a refrigerator is poised to chip away at ...

BICEP2 During inflation (shown at left), a gravitational ... The prominence of the Big Bang theory skyrocketed, impelling scientists to pry the theory apart, seeking unexpected implications ...

Get a sneak peek at Academy Award-winning actor Geoffrey Rush and newcomer Johnny Flynn as Nobel Prize-winning physicist Albert Einstein, in National Geographic's global event series GENIUS ...