Sep. 19, 2008
In this segment, we'll get the big picture on science on the planet Mars. From orbiting observatories to roving rovers to the ditch-digging Phoenix -- what have planetary scientists learned about Mars, and what remains to be discovered?
Aug. 08, 2008
Last week, water in the form of ice was found on Mars. This week, the lander dug up perchlorate, a salt used in fireworks and rocket fuel. What does this mean for possibility of life on the Red Planet?
Jul. 11, 2008
Mars has water ice in its soil -- and could Mercury be shrinking? In this segment, we'll get the latest from around the solar system, checking in with scientists on both the Mars Phoenix and Mercury Messenger space missions.
Jun. 13, 2008
In this segment, we'll talk with the head of the Mars Phoenix mission and get an update on Mars research.
May. 23, 2008
The latest mission to Mars, Mars Phoenix, is scheduled to touch down on the Red Planet this coming Sunday. We'll talk about the mission and what the scientists behind it hope to achieve.
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From the Vault
Ira Asks: How Do They Make Eyeglasses?
You deliver your prescription to an optician, and they return with a pair of eyeglass lenses tailored precisely to your personal vision quirks. But how?