The Search for Life in Space • 2016

Category: Astronomy

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

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Our Extraordinary Sun

Telescopes on six solar observation satellites are currently monitoring the sun. The satellites include Japan's Hinode and the SDO developed by the United States. Solar activity (flares, sunspots) is at its lowest since modern observation began - what implications does this have for our Earth?

11Cosmic Front • 2014 • Astronomy

Black Holes: The Secret Origin

Recent discoveries could explain how supermassive black holes grow so big, one of the universe's most mysterious questions. Neither dark matter nor cannibalism can fully explain these monsters, but the latest science might finally provide an answer.

S5E3How the Universe Works • 2016 • Astronomy

Killer Asteroids

We strip apart asteroids and peel back surfaces, slice open craters, and exploding out rocks layer by layer to explore these miniature worlds and the secrets of the early solar system.

3/6Strip the Cosmos • 2014 • Astronomy

What Did the Big Bang Sound Like?

A milestone in physics: In 2015, scientists proved the existence of gravitational waves. These waves travel billions of light-years through space, eventually reaching Earth and bringing us insights that were previously unattainable.

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The Clean Room

To determine the true age of the Earth, geochemist Clair Patterson developed the uranium-lead dating method to make an unprecedented discovery - calculating Earth's age of 4.5 billion years. But Patterson's groundbreaking discoveries were just beginning. Patterson made it his mission to draw public attention to the detrimental effects of lead in the environment and dedicated his career to fighting against the petroleum and chemical industry, eventually achieving public health's biggest victory of the 20th century.

S1E7Cosmos: A Spacetime Odyssey • 2014 • Astronomy

Decide To Listen

Our species has discovered a way to communicate through the dark, to transcend immense distances

5/10The Sagan Series • 1989 • Astronomy