Category: Astronomy

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Michio Kaku: The Universe in a Nutshell

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What if we could find one single equation that explains every force in the universe? Dr. Michio Kaku explores how physicists may shrink the science of the Big Bang into an equation as small as Einstein's "e=mc^2." Tha...

How many universes are there? – Chris Anderson

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The fact that no one knows the answer to this question is what makes it exciting. The story of physics has been one of an ever-expanding understanding of the sheer scale of reality, to the point where physicists are n...

The Big Bang – 60 Second Adventures in Astronomy (Playlist)

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A series of short videos that explore a number of astronomy topics including the Big Bang, black holes, CERN, cosmology, dark energy, dark matter, exoplanets, Large Hadron Collider, Mars, relativity, and supernovae.

Why can’t we see evidence of alien life? – Chris Anderson

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Stand by for an animated exploration of the famous Fermi Paradox. Given the vast number of planets in the universe, many much older than Earth, why haven't we yet seen obvious signs of alien life? The potential answer...

New Horizons Pluto Mission – Alan Stern (SETI Talks)

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In 2006 NASA launched a sophisticated robotic explorer to make the first reconnaissance of planet Pluto and its moons, three billion miles from the Sun. That spacecraft is called New Horizons. The principal investigat...

Search for Habitable Exoplanets – Sara Seager

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For centuries people have wondered, "Are we alone?" With hundreds of planets now known to orbit other stars, we are finally able to begin answering the ancient questions, "Do other Earths exist? Are they common? Do an...

Neil deGrasse Tyson: My Man, Sir Isaac Newton

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Neil deGrasse Tyson says Newton's writings defy gravity by making his hair stand up.

Neil deGrasse Tyson on His Books

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The astrophysicist summarizes two of his books and one he has in the works.

SETI Institute – Kepler Update April 28, 2009

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Kepler Update April 28, 2009 by SETI Institute's Kepler Mission team.

Kepler, Exoplanets and SETI – Geoff Marcy (SETI Talks)

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Science fiction portrays our Milky Way Galaxy as filled with habitable planets populated by advanced civilizations engaged in interstellar trade and conflict. Back in our real universe, Earth-like planets and alien li...

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