Q & A about the universe.
Interview with American Scientist, the magazine of Sigma Xi, the scientific research society, about cosmic origins.
Read the interview
A conversation about the origins of the universe, life on Earth and in the cosmos, and a few of the astrophysical challenges confronting scientists today.
Discussion about the universe, and the Copernican Principle, which says, if you think it's all about you then you are probably wrong.
According to Neil deGrasse Tyson, dark matter and dark energy could just as well be called without a clue A and without a clue B.
dark matter
dark energy
without a clue A
without a clue B.
Aired: June 25, 2008 (2:02)