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Ultimate Mars Challenge Preview

NOVA

Coming soon Continue

July 13, 2012

To The Contrary

The shocking video of an Afghan woman's execution by the Taliban. Then, a first for women and the Olympics? And, Behind the Headlines: BPA. A plastic by-product that's everywhere and rasing health concerns. Continue

The Mars Rover, "Curiosity"

NOVA

Scientists want to know if methane gas on Mars is a product of biological processes or a result of geologic activity. To find out, NASA is sending a robotic rover called Curiosity to Mars. This video clip from NOVA's program Finding Life Beyond Earth explores the questions that drive the scientists and the implications of possible findings. Continue

Phoenix Mars Mission: Ashes to Ice - Preview

PBS Presents

This program chronicles the story of the Phoenix Mars Lander, which launched in August 2007 and is scheduled to land on the Martian surface on May 25, 2008. 8/10/11 Continue

Satelloon

History Detectives

A radio operator made contact with another radio hobbyist who said he was a NASA engineer. He promised to send a memento of their conversation. Our Florida contributor received a square of metallic fabric, along with a hand-drawn diagram. Piecing together information from the radio exchange and notes on the diagram, our contributor believes this could be a piece of an early space satellite. Continue

Profile: Vandi Verma

NOVA scienceNOW

A daredevil engineer born in India now drives the Mars rovers. Continue

Space Food

NOVA scienceNOW

How do you keep food fresh on a three-year round-trip to Mars? Continue

Space Dangers

NOVA scienceNOW

Can we protect Mars-bound astronauts from deadly meteoroids, radiation, and other hazards? Continue

Astrospies - Preview

NOVA

NOVA probes the untold story of the elite corps of clandestine astronauts who were never told of the true purpose of their training program. 10/5/10 Continue

The Lives of Stars

Seeing in the Dark

Astronomers have discovered that stars, like people, have finite lifetimes. Continue

An Interview with Sally Ride

NOVA

Watch an uncut interview with the late astronaut, conducted at NASA in 1984. Continue

Understanding Solar Activity

NOVA

What factors make the sun more or less volatile? Continue

400 Years of the Telescope - Preview

PBS Presents

Chronicle of the telescope's history visits the world's leading astronomers, cosmologists and observatories. NOVA's Neil deGrasse Tyson narrates. 8/10/11 Continue

Moon Museum Update: Searching for John F.

History Detectives

Who was John F? That was the question we asked viewers to help us solve at the end of our Moon Museum investigation. John F. was the name on the telegram confirming that a tiny piece of Andy Warhol's artwork had made it to the moon. But what was the true identity of John F? Wes Cowan gives an update on the investigation. Continue

Space Boot

History Detectives

Our contributor inherited a peculiar object from his father: a jerry-rigged ski boot with a magnetic metal brick bolted to the bottom. In the 1960s, his father worked as an engineer for Westinghouse, which played a role in the space program. Could this be the prototype for a NASA space boot? History Detectives finds out what place this boot has in space history. Continue

Plasma Rockets