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00:04:05
On the cliffs above San Francisco's Ocean Beach perches a landmark observatory—a giant camera obscura. Step inside with Robert Tacchetto and see how this centuries-old technology creates enchanting images of the outside world.

00:37:45
What's Christmas like at the South Pole? Also learn about the Race Around the World and the installation of the telescope's new receiver.

00:28:55
After its long journey to Saturn's largest moon, Titan, the Huygens probe is released from the Cassini spacecraft. The Huygens probe completes its descent to Titan, capturing hundreds of images on its way. Join Senior Scientist Paul Doherty as he gives us background on this incredible mission and sets the stage for the first close-up images of this mysterious moon.

12:26:40
Join Senior Scientist Paul Doherty as we receive the first images of Titan, Jupiter's largest moon, from the European Space Agency headquarters in Darmstadt, Germany. The Huygens probe, released from the Cassini spacecraft, descended to Titan and captured hundreds of images of this mysterious moon.

00:26:34
Paul Doherty and Eric Wegryn explore the latest photos of Titan, Saturn’s largest moon, taken from only 750 miles away by the Huygens probe.

00:27:05
Paul Doherty and Ron Hipschman discuss some of Saturn's interesting history.

00:18:43
Dr. Paul Doherty and Dr. Eric Weygren discuss the most intriguing moon in the Solar System, Titan. Titan is veiled in a mysterious, dense, foggy atmosphere.

00:09:54
Our team of middle school students from the Aim High program investigates new technologies that use our unique physical traits as tools for identification. Eye-D explores the possibilities of retinal scans.

00:30:43
Join us as NASA releases the first images from the Hubble Telescope's new camera, NICMOS (the Near Infrared Camera and Multi-Object Spectrometer). We'll discuss the significance and beauty of these pictures of our galaxy with the NICMOS' Lead Scientist, Keith Noll.

00:39:14
The Near Infrared Camera and Multi-Object Spectrometer (NICMOS) will be brought back to life with the installation of the new experimental NICMOS cryo-cooler. The cryo-cooler updates the technology from that of an icebox to a modern refrigerator. We also talk to Keith Noll, head if the Hubble Heritage Project, which is responsible for bringing us those stunning pictures from deep space.