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Special Report

Robotic Exploration of the Solar System

Five decades after the U.S.S.R.'s Luna 2 moon probe became the first spacecraft to land on another celestial body, we look at the past accomplishments and tantalizing future of unmanned space exploration

A Mars Rovers Once-Over

We look at the state of the rovers currently on Mars, the big accidental discovery by the Spirit rover, and the next-generation device slated to join them in 2010, the Mars Science Laboratory Rover...

March 5, 2008 — Steve Mirsky

Space For Both?--Human Vs. Robotic Space Missions

In this episode Cornell University astronomer Jim Bell talks about future space missions and why people need to be part of them. Bell is the leader of the team operating the color cameras on the Mars rovers, and the author of the book Postcards From Mars and of an opinion piece in the August issue of Scientific American on humans in space...

July 18, 2007 — Steve Mirsky

Did the Phoenix lander spot liquid water on Mars?

A team of researchers analyzing images and data gathered by the now-defunct Phoenix spacecraft believes that the lander spotted liquid water on Mars—and that such liquid may be common on the Red Planet...

March 17, 2009 — John Matson
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