NOVA ScienceNOW: Limitations of Intelligent Life


A NOVA scienceNOW discussion with Robert Krulwich on how physical laws constrains the size of life in the universe.

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.

NOVA ScienceNOW: Encountering Antimatter


On NOVA scienceNOW, commenting on antimatter and what an encounter with an antimatter alien might be like with Robert Krulwich.

Living On Earth: Sailing into Space

Living On Earth

Space engineers are looking for new ways to power spacecraft, especially once they’re launched into orbit. Advances in space propulsion technology, including the recent Cosmos 1 mission, was designed to use sails powered by the pressure of sunlight.

Einstein and Darwin: A Tale of Two Theories


MSNBC's Science Editor, Alan Boyle, interviews Dr. Tyson on the parallels and distinctions of Darwin and Einstein and their famous theories.

Living On Earth: Alien Planets

Living On Earth

Detecting exoplanets by their gravitational effects on their host star, and more recently, by the light of the planet itself.

Planetary Society Radio: Space Exploration


Interview on The Planetary Society Radio podcast on the Future of Space Exploration.

Living On Earth: NASA Pick

Living On Earth

Interview about President Bush's new choice to take the helm at NASA, Michael Griffin, and whether he has all the qualifications it takes to lead the nation's space agency through the 21st century.

Living On Earth: Tyson on Titan

Living On Earth

When the Huygens space probe landed on Titan, Saturn’s largest moon, on January 14th the world watched in awe. Discussions include Titan’s unusual features, what we didn’t learn from Huygen’s data, and why the government is shifting its priorities for space exploration.

SETI's Are We Alone?


SETI Institute's Are We Alone interview about NOVA Origins and what it's like to run the Hayden Planetarium.

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