Phoenix Mars Lander

NASA's latest robot has already found frozen water and is looking for more signs that the Red Planet could support life.

Explore the Red Planet

Examine some of the finest images ever taken of the martian surface.

Ask the Expert

Astrophysicist Leslie Tamppari, one of the scientific leaders of the Phoenix mission, answers viewer questions.

Cosmic Perspective

Neil deGrasse Tyson is the same age as NASA, and both have come a long way in 50 years.

Video Extra

What if the martians didn't want us to find them?

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© | Created July 2008