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The Red Planet
Mars is a cold desert world. It is half the diameter of Earth and has the same amount of dry land. Like Earth, Mars has seasons, polar ice caps, volcanoes, canyons and weather, but its atmosphere is too thin for liquid water to exist for long on the surface. There are signs of ancient floods on Mars, but evidence for water now exists mainly in icy soil and thin clouds.

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50 Years of Robotic Planetary Exploration: Neil Gehrels, Astrophysicist at NASA's Goddard Spaceflight Center
50 Years of Robotic Planetary Exploration: Neil Gehrels, Astrophysicist at NASA's Goddard Spaceflight Center
We asked them and here is what the experts had to say about the last 50 years of planetary robotic exploration.Read More...
Earth at Perihelion
Earth at Perihelion
In January, our planet made its annual closest approach to the sun. But don't expect things to warm up.Read More...
What's Next for NASA: 2013
What's Next for NASA: 2013
In 2013, NASA will push ahead with an ambitious exploration program, continuing crew flights and commercial resupply missions to the International Space Station, and advancing the systems needed to send humans deeper into space.Read More...
50 Years of Robotic Planetary Exploration: Ashley Stroupe (Robotics Software Engineer / Mars Rover Driver at the Jet Propulsion Laboratory)
50 Years of Robotic Planetary Exploration: Ashley Stroupe (Robotics Software Engineer / Mars Rover Driver at the Jet Propulsion Laboratory)
We asked them and here is what the experts had to say about the last 50 years of planetary robotic exploration.Read More...
50 Years of Robotic Planetary Exploration: Ayanna Howard (Robotics Engineer at Georgia Institute of Technology)
50 Years of Robotic Planetary Exploration: Ayanna Howard (Robotics Engineer at Georgia Institute of Technology)
We asked them and here is what the experts had to say about the last 50 years of planetary robotic exploration.Read More...
50 Years of Robotic Planetary Exploration: Jim Kasting (Distinguished Professor of Geoscience at Penn State University)
50 Years of Robotic Planetary Exploration: Jim Kasting (Distinguished Professor of Geoscience at Penn State University)
We asked them and here is what the experts had to say about the last 50 years of planetary robotic exploration.Read More...
50 Years of Robotic Planetary Exploration: Ralph Carruth (Manager, Materials and Processes Laboratory at NASA's Marshall Space Flight Center)
50 Years of Robotic Planetary Exploration: Ralph Carruth (Manager, Materials and Processes Laboratory at NASA's Marshall Space Flight Center)
We asked them and here is what the experts had to say about the last 50 years of planetary robotic exploration.Read More...
50 Years of Robotic Planetary Exploration: Amanda Hendrix (Planetary Scientist at the Jet Propulsion Laboratory)
50 Years of Robotic Planetary Exploration: Amanda Hendrix (Planetary Scientist at the Jet Propulsion Laboratory)
We asked them and here is what the experts had to say about the last 50 years of planetary robotic exploration.Read More...
Curiosity Begins Driving at Bradbury Landing
Curiosity Begins Driving at Bradbury Landing
August 22, 2012: NASA's Mars rover Curiosity has begun driving from its landing site, which scientists announced today they have named for the late author Ray Bradbury.Read More...
Mars Rover Curiosity in Familiar Ground
Mars Rover Curiosity in Familiar Ground
The SUV-sized Mars rover Curiosity now finds itself just where scientists wanted it: at the northern edge and rim of Gale Crater. What's remarkable is how familiar the landscape looks.Read More...
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Previous
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50 Years of Robotic Planetary Exploration: Neil Gehrels, Astrophysicist at NASA's Goddard Spaceflight Center
50 Years of Robotic Planetary Exploration: Neil Gehrels, Astrophysicist at NASA's Goddard Spaceflight Center
We asked them and here is what the experts had to say about the last 50 years of planetary robotic exploration.Read More...
Earth at Perihelion
Earth at Perihelion
In January, our planet made its annual closest approach to the sun. But don't expect things to warm up.Read More...
What's Next for NASA: 2013
What's Next for NASA: 2013
In 2013, NASA will push ahead with an ambitious exploration program, continuing crew flights and commercial resupply missions to the International Space Station, and advancing the systems needed to send humans deeper into space.Read More...
50 Years of Robotic Planetary Exploration: Ashley Stroupe (Robotics Software Engineer / Mars Rover Driver at the Jet Propulsion Laboratory)
50 Years of Robotic Planetary Exploration: Ashley Stroupe (Robotics Software Engineer / Mars Rover Driver at the Jet Propulsion Laboratory)
We asked them and here is what the experts had to say about the last 50 years of planetary robotic exploration.Read More...
50 Years of Robotic Planetary Exploration: Ayanna Howard (Robotics Engineer at Georgia Institute of Technology)
50 Years of Robotic Planetary Exploration: Ayanna Howard (Robotics Engineer at Georgia Institute of Technology)
We asked them and here is what the experts had to say about the last 50 years of planetary robotic exploration.Read More...
50 Years of Robotic Planetary Exploration: Jim Kasting (Distinguished Professor of Geoscience at Penn State University)
50 Years of Robotic Planetary Exploration: Jim Kasting (Distinguished Professor of Geoscience at Penn State University)
We asked them and here is what the experts had to say about the last 50 years of planetary robotic exploration.Read More...
50 Years of Robotic Planetary Exploration: Ralph Carruth (Manager, Materials and Processes Laboratory at NASA's Marshall Space Flight Center)
50 Years of Robotic Planetary Exploration: Ralph Carruth (Manager, Materials and Processes Laboratory at NASA's Marshall Space Flight Center)
We asked them and here is what the experts had to say about the last 50 years of planetary robotic exploration.Read More...
50 Years of Robotic Planetary Exploration: Amanda Hendrix (Planetary Scientist at the Jet Propulsion Laboratory)
50 Years of Robotic Planetary Exploration: Amanda Hendrix (Planetary Scientist at the Jet Propulsion Laboratory)
We asked them and here is what the experts had to say about the last 50 years of planetary robotic exploration.Read More...
Curiosity Begins Driving at Bradbury Landing
Curiosity Begins Driving at Bradbury Landing
August 22, 2012: NASA's Mars rover Curiosity has begun driving from its landing site, which scientists announced today they have named for the late author Ray Bradbury.Read More...
Mars Rover Curiosity in Familiar Ground
Mars Rover Curiosity in Familiar Ground
The SUV-sized Mars rover Curiosity now finds itself just where scientists wanted it: at the northern edge and rim of Gale Crater. What's remarkable is how familiar the landscape looks.Read More...
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