Eric is a very unusual bear. He's red and he's very, very clever, especially with numbers. He loves them so much that when he wins a tour of the Mars rocket, he
Seventeen wide-ranging essays explore the evolving scientific understanding of Mars, and the relationship between that understanding and the role of Mars in lit
The next frontier in space exploration is Mars, the red planet--and human habitation of Mars isn't much farther off. Now the National Geographic Channel goes ye
What is Mars? From the ancients to the present, we have imagined Mars repeatedly and studied it longingly. As scientific knowledge of Mars has changed, so has t