Explore Mars
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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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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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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 different cultures imagined
different constellations, based on their own cultural context?
Did you know that Giovanni Schiaparelli's observations of channels on the surface of Mars was mistranslated, causing people to think there was life on Mars?
Earth and Space Science Concept of the Day
Do you know what this word or phrase means?
Rayleigh wavexRayleigh wave : A Rayleigh wave is a seismic surface wave causing the ground to shake in an elliptical motion, with no transverse, or perpendicular, motion.
Click on the word to find out!
Research Highlights
Conservation efforts aimed at protecting endangered Caribbean corals may be overlooking regions where corals are best equipped to evolve in response to global warming and other climate challenges. That's...
Read more![](/olpa/images/coral_endangered_small.jpg)