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Mars Science Laboratory project scientist John Grotzinger describes plans for the Curiosity rover, now in Gale Crater on Mars.
If microbial stowaways did hitch a ride to Mars, how will Curiosity's mission be affected?
What’s it like to build tools for Curiosity? Intense.
Are temporary streaks on Martian hillsides a sign of salty water?
In The Case for Mars, Robert Zubrin argues that humans should colonize the Red Planet.
Ira Flatow and guests share science funnies and discover an element of humor (pu...
Researchers have tickled gorillas, bonobos, chimps and humans in an effort to un...
Do 'science' and 'comedy' go together?
Can hearty laughter have some of the same physiological effects as exercise?
Smile, smile, smile. Happiness may be catching.
Author Scott Weems lets us in on the jokes and uncovers the science of humor.