Astrobiology plays an important role in NASA's mission of scientific discovery.The thin gauzy rim of the planet in foreground is an illustration of its atmosphere.A panorama of the WISSARD camp above subglacial Lake Whillans.Title screen from Life Underground, where students take the role of investigators of extreme subsurface environments looking for microbial life.
National Academy Call for White PapersAstrobiology Science Strategy for the Search for Life in the Universe01/04
A New Way to Find Signals of Habitable Exoplanets?Improving our chances of finding habitable conditions.02/04
Antarctica's Subglacial Lakes Support Prospects For Life On Icy MoonsA new and unexpected ecosystem beneath the ice03/04
Exploring the Stars Through Video and Board GamesSpace games can reel in younger audiences, and even add to serious research.04/04
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Mars rover taking a picture of itself.
NASA MISSIONSExploring the Red Planet

The rovers and spacecraft we’ve sent to Mars have found evidence the planet was warmer in the past, with lakes and rivers. Was there life there? Future exploration may find evidence for that as well.

The facts and figures —37%

The gravity on Mars is only 37 percent of Earth’s gravity. Not only could you leap three times higher on Mars, but this lower gravity is one reason why Olympus Mons became the biggest volcano in the solar system.

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