Extras

Video thumbnail: NOVA NOVA Universe Revealed: Big Bang Preview

NOVA

NOVA Universe Revealed: Big Bang Preview

Venture back to the birth of space and time as NOVA probes the mystery of the Big Bang.

NOVA Universe Revealed: Big Bang Preview

Video thumbnail: NOVA Was the Big Bang an Explosion or Something Else?

NOVA

Was the Big Bang an Explosion or Something Else?

Energy transformed into matter during the Big Bang.

Was the Big Bang an Explosion or Something Else?