PBS

Carbon

NOVA ScienceNOW's Cosmic Perspective

The chemistry of carbon and how it contributes to the formation of life.

Happy Birthday, NASA

NOVA ScienceNOW's Cosmic Perspective

Neil deGrasse Tyson is the same age as NASA, and both have come a long way in 50 years.

Intelligent Life?

NOVA ScienceNOW's Cosmic Perspective

What would aliens conclude about intelligent life on our planet if they picked up our broadcast signals?

The Northern Lights

NOVA ScienceNOW's Cosmic Perspective

Some of the most challenging problems in physics are rooted in the most beautiful-to-behold sights.

Telescopes in Space

NOVA ScienceNOW's Cosmic Perspective

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

Bad News and Uncertainty

NOVA ScienceNOW's Cosmic Perspective

Many people fear information that might contain bad news beyond their control, but such fear forfeits the opportunity to solve the problem. Here's how scientists approach bad news and uncertainty.

Dark Matter and Dark Energy

NOVA ScienceNOW's Cosmic Perspective

According to Neil deGrasse Tyson, dark matter and dark energy could just as well be called without a clue A and without a clue B.

Journey Through the Center of the Earth

NOVA ScienceNOW

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?

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.

The NewsHour with Jim Lehrer

NewsHour with Jim Lehrer

Interviewed on PBS's NewsHour with Jim Lehrer regarding the International Astronomical Union's debate on Pluto's planethood.

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