Explore Mars
![](/images/icons/mars_interiors.jpg)
The uniquely red global surface of Mars is marked by many interesting features - some like ...
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![](/images/icons/mars_atmosphere..jpg)
The atmosphere of Mars is much thinner than that of Earth, with a surface pressure averaging ...
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![](/images/icons/mars_moons.jpg)
Mars has two small moons, Phobos and Deimos. The red planet does not have any rings. ...
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![](/images/icons/mars_poles.jpg)
The North and South Poles on Mars are similar to the polar regions on Earth in many ways. They ...
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![](/images/icons/mars_facts.jpg)
All of the relevant information about Mars collected on one page, including details about size, orbit ...
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![](/images/icons/mars_myth.jpg)
Mars was the son of Jupiter and Juno, and was the Roman god of war. Mars was the lover of Venus ...
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![](/images/icons/mars_missions.jpg)
In the past few decades, the Russian and American space agencies have sent many spacecraft ...
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![](/images/icons/mars_images.jpg)
Access wonderful captioned photos and illustrations that will inspire and excite you. ...
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![](/images/icons/mars_links.jpg)
These are links to other great web sites about Mars. But beware: you don't want to get caught ...
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Did you know?
Did
you know that
sunspots
are dark because of a balance of thermal and
magnetic
pressure?
Did you know that, in Egyptian mythology, the sky goddess Nut married the Earth god Geb, and that the Sun god Re was angry, and so forced them to separate?
Earth and Space Science Concept of the Day
Do you know what this word or phrase means?
Plate tectonicsxPlate tectonics : The theory supported by a wide range of evidence that considers the Earth's crust and upper mantle to be composed of several large, thin, relatively rigid plates that move relative to one another.
Click on the word to find out!
Research Highlights
Global warming is a hot topic, and it's causing concern for scientists studying winter annuals in the Sonoran Desert. While desert winters have become warmer and drier over the years, climate changes have...
Read more![](/olpa/images/desert_plants_small.jpg)