planethood

Dr. Mark Sykes of the Planetary Science Institute and Dr. Neil deGrasse Tyson debate the nature of planethood with moderator Ira Flatow.

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

Neil deGrasse Tyson confesses to his role in the Pluto dispute.

The story of Pluto's demotion from planethood and how a similar fate was dealt to other small bodies in the Solar System in centuries past.

Interviewed on PBS's NewsHour with Jim Lehrer regarding the International Astronomical Union's debate on Pluto's planethood.

In this interview with DJ Grothe, Dr. Tyson discusses Pluto and planethood, life elsewhere in the universe, Intelligent Design, and eloquently explains how parents may foster an appreciation for science in children.

Stephen challenges the notion of Pluto's planetness.

Interview on Jack Mangan's Deadpan about Pluto, life in the universe, Galileo, and religion.

Stephen cannot comprehend the big bang and instead yields to intelligent design.

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.