All Watch Posts


Amazing Meeting

How to levitate or launch a rocket.

Pursuing a Science Career

Advice on a science career

Advice on pursuing a career in science, encountering challenges, and communicating science.

Acceptance Remarks, Space Communicator Award


Space Communicator Award acceptance remarks at the Rotary National Award for Space Achievement Foundation Stellar Awards Banquet.

24th National Space Symposium Keynote

24th National Space Symposium

Reflections on America's real and imagined future in space at the 24th National Space Symposium.

Journey Through the Center of the Earth


Ever wonder what would happen if you dug a whole from one side of the Earth, through the center, out the other side, and then jumped in?

The Colbert Report

Colbert Report

Stephen visits the Hayden Planetarium to find a backup career in astrophysics.

The Secular Society and its Enemies

Center For Inquiry

A panel discussion on the public understanding of science with Richard Dawkins, Neil deGrasse Tyson, Ann Druyan, Victor Stenger at the Secular Society and its Enemies workshop.

The Universe Is In Us

History Channel's The Universe

We are starstuff.

The Daily Show with Jon Stewart

Daily Show with Jon Stewart

General comments about hosting NOVA scienceNOW, while reflecting on our collective place in the universe.

Tiny Things of Great Import

NOVA ScienceNOW's Cosmic Perspective

The study of the smallest particles offers insight into the biggest event that ever was, the birth of the universe.