American Freethought

American Freethought

The American Freethought interviews Dr. Tyson and looks at the cosmic dust-up that resulted from the demotion of the planet Pluto to dwarf planet by the International Astronomical Union.

Commonwealth Club of California Science Talk

Commonwealth Club Talk

A talk on Death By Black Hole which touches on a variety of issues in astrophysics and space exploration.

Commonwealth Club: Asteroid Apophis

Commonwealth Club science talk

Neil deGrasse Tyson talking about Apophis, the asteroid that will pass extremely close to Earth on April 13, 2029.

The Leonard Lopate Show


Reflections on Hosting PBS NOVA scienceNOW on the WNYC's Leonard Lopate Show.

NOVA ScienceNOW: Killer Asteroids


In conversation with Apollo astronaut Rusty Schweikert, on a Gravitational Tractor that can deflect killer asteroids.

Living On Earth: Celestial Update

Living On Earth

Scientists are talking about a newly discovered object that’s larger than Pluto, the possibility of an asteroid hitting Earth, and what we can do about it.

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