Hubble Space Telescope

Discussion of the delayed Hubble Space Telescope mission to the recent discovery of snow on Mars.

Neil Tyson describes the uproar in 2004 after NASA announced it had cut funding to repair the Hubble.

The popular movement to keep the Hubble Space Telescope, and the march of discovery, alive.

Reviving the debate about whether it is better to send people, robots, or some combination of both into space.

The power of telescopes to reassess our place in the universe.