All Watch Posts

Who is the Most Famous Astronomer?

Slacker Astronomy Interview

Slacker Astronomy asks: Who's the most famous scientist? Interview conducted at the January 2007 meeting of the American Astronomical Society.

Aging Stars

NOVA ScienceNOW's Cosmic Perspective

Do all stars live to the same age? Are some immortal? Learn about aging in the cosmos.

On Intelligent Design

Beyond Belief

An analysis and history of intelligent design.

Scientific Findings of Prayer Studies

Beyond Belief

Neil deGrasse Tyson and V.S. Ramachandran discuss the scientific findings of prayer studies.

Tyson Rebukes Dawkins

Amazing Meeting

Neil deGrasse Tyson rebukes Richard Dawkins's barbed approach to presenting atheism.

Asteroid Impacts and Extinction

NOVA ScienceNOW's Cosmic Perspective

Find out why we can't live with asteroids and we can't live without 'em.

The Colbert Report

Colbert Report

Stephen challenges the notion of Pluto's planetness.

Dr. Tyson: How's the Universe Today?

NOVA ScienceNOW

Taking questions about the state of the universe from people in the neighborhood.

Manhattanhenge

NOVA ScienceNOW

Perched over 42nd Street, NOVA scienceNOW host Neil deGrasse Tyson is eager to show you his hometown's own version of a Stonehenge magic moment. See it in this video.

The Cosmic Office

NOVA ScienceNOW

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.