How the Universe Works, Did the Big Bang Really Happen?

S7 E1 • 44m • HDU

Neutron stars are violent phenomena that defy the laws of physics. New discoveries reveal they have the power to destroy planets and even other stars.

S7 E2 • 44m • HDPG

Supernovas are the violent death of giant stars. New discoveries reveal how these events create the elements that are essential to all life in the universe.

S7 E3 • 44m • HDU

Interstellar space is the space between the universe's stars. New discoveries reveal that it's not empty and unremarkable as previously thought.

S7 E4 • 44m • HDU

Black holes aren't simply violent monsters. New discoveries reveal their importance in creating stars, giving light, and building the universe itself.

S7 E5 • 44m • HDU

Nebulas are the strange structures of cosmic gas and dust where stars are born and die. New discoveries reveal the secrets of these mysterious places.

S7 E6 • 44m • HDU

New discoveries lead scientists to question if the Big Bang really happened. They investigate if it was the start of many multiverses.

S7 E7 • 44m • HDU

Dark matter and energy battle for the cosmos and the winner will determine the universe's fate. New discoveries may reveal which force will win.

There are billions of stars in the galaxy, with billions of planets surrounding them. New discoveries force the question - is Earth the only planet with life on it?

S7 E9 • 44m • HDU

New discoveries have revealed thousands of exoplanets beyond our solar system. Some resemble earth to the extent that one could be a new home for humanity.

S7 E10 • 44m • HDU

For 20 years NASA's Cassini spacecraft revealed Saturn’s strange secrets until it vaporized in its atmosphere. Now, fresh data points to new discoveries.