PBS

Sputnik dolls? Planet-shaped pineapple? Neil deGrasse Tyson, the new host of NOVA scienceNOW, has a stellar collection of space-themed souvenirs. See them in this video.

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

Ten top physicists describe Einstein's famous equation E = mc² on NOVA's Einstein's Big Idea.

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

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

Tavis Smiley interview about meeting Carl Sagan, the origins of the universe, and intelligent life.

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.

Interviewed on PBS's NewsHour with Jim Lehrer regarding the 2003 close encounter with Mars.

A discussion and tour of the Rose Center for Earth and Space at the American Museum of Natural History and the Hayden Planetarium. Joining Charlie are Ellen Futter, president of the American Museum of Natural History, James Stuart Polshek, the architect behind the planetarium, Neil deGrasse Tyson, the astrophysicist who will serve as director, and Paul Goldberger, architecture critic for The New Yorker magazine.

A conversation with Ed Weiler, director of NASA's origin program, Michael Lemonick, author of "Other Worlds" and Neil Tyson, the director of the Hayden Planetarium, about the possibility of life on other planets and NASA's program that explores the question.