Episodes
Trace human development from embryo to newborn through stunning microimagery.
Combining the laws of the universe in one theory that explains it all is the Holy Grail
Do miniscule vibrating strands of energy hold the key to a unified theory of physics?
Will experimental particle physics confirm the wild predictions of string theory?
The story of how African-American Percy Julian defied the odds to become a famous chemist.
We are on the verge of answering one of the greatest questions in history: Are we alone?
It defines our lives, but what is time really? Have a look into its true nature.
Take a wild ride into the quantum realm, where even the impossible seems possible.
Is our universe unique, or could it be just one in an endless "multiverse"?
Australia鈥檚 landscape holds clues to Earth's early history and the beginning of life.
Fossils reveal how life鈥檚 explosion in the ocean was recreated on dry land.
Extras
Surprising evidence at the world鈥檚 oldest temple overturns our understanding of human history.
What studying the surface of the Moon revealed about Earth鈥檚 apocalyptic youth.
Do speech buttons really allow dogs to talk to us? Scientists investigate.
New evidence sheds light on the remarkable life鈥攁nd mysterious collapse鈥攐f the ancient jungle city.
What if violent asteroid impacts actually jump-started life on Earth? Explore a dramatic theory.
Adam Riess takes us inside the discovery of dark energy.
Early humans may have brought offerings to this enormous stone snake.
In a remote cave, in North West Africa, a chance discovery uncovered some mysterious human remains.