Invisible Universe Revealed

43:01

A spectacular journey to the birth of stars and matter a billion years after the big bang. Scientists look for evidence of an extraordinary phenomenon known as the Cosmic Dawn, a dramatic moment in the history of the universe when the very first stars were created.

2015 • Astronomy

58:40

Carl Sagan teaches students in a classroom in his childhood home in Brooklyn, New York, which leads into a history of the different mythologies about stars and the gradual revelation of their true nature. In ancient Greece, some philosophers (Aristarchus of Samos, Thales of Miletus, Anaximander, Theodorus of Samos, Empedocles, Democritus) freely pursue scientific knowledge, while others (Plato, Aristotle, and the Pythagoreans) advocate slavery and epistemic secrecy.

7/13 • Cosmos: A Personal Voyage • 1980 • Astronomy

42:29

New discoveries have revealed thousands of exoplanets beyond the solar system. Some resemble earth enough that one could be a new home for humanity. Even with cutting-edge technology, finding the perfect one is the scientific challenge of the age.

S7E9 • How the Universe Works • 2019 • Astronomy

42:29

Supernovas are the violent death of giant stars, and new discoveries reveal that these cataclysmic events create the elements that are essential to all life in the universe.

S7E2 • How the Universe Works • 2019 • Astronomy

46:59

The epic story of Earth's battle with the sun. Our star would wipe us out in an instant without the incredible planetary shields that protect us. Astronaut host – Jeff Hoffman.

3/10 • One Strange Rock • 2018 • Astronomy

32:02

To determine whether we're alone in the universe, astrobiologists look to Jupiter, Mars, and, closer to home, extreme environments on Earth.

2016 • Astronomy