space travel

A NASA scientist claims to have found alien microbial life in a meteor that landed on Earth. Scientists are skeptical of these results.

Reflections on the end of the Space Shuttle era, what’s next in the exploration of our universe, and the cultural impact of the space program.

An interview by two science fiction authors about space travel, the accuracy of science in films and books, and life in the universe.

A NASA scientist claims to have found alien microbial life in a meteor that landed on Earth. Scientists are skeptical of these results.

Neil and Jon discuss traveling to Mars, longevity, and the process of discovery.

Neil and Stephen discuss the future of space exploration in the United States.

Discussion of Pluto, teaching science, and the state of NASA.

Unwrapping the Saturn V rocket in Neil deGrasse Tyson's office.

In two and a half years the United States will decommission the three remaining shuttles capable of taking astronauts to the International Space Station. The only option after that will be to hitch a ride on a Russian shuttle, a collaboration may be just what we need in the space program.

Something unexpected has been happening to a pair of distant space probes. Could strange new physics be the cause?