While Mars was the favorite candidate for alien life for decades, the rover-led search for life on Mars has turned up a disappointing lack of evidence. If there was ever life on Mars, it has likely been gone for millions of years. As a result, NASA has turned its attention instead to some of the moons of distant planets in our solar system.
Tantalizing geological evidence of subsurface oceans on Saturn’s moon Titan has some NASA scientists convinced that the conditions necessary to create and sustain alien life could be present on the frozen moon. More exciting is the news coming out of the study of Europa, a tiny ocean-covered moon of Jupiter. NASA has discovered a wealth of data about conditions on Europa that has some astronomers speculating that Europa’s cold, deep oceans might harbor life near the moon’s warm core.
This data has some NASA scientists so convinced of the possibility of life on Europa that the agency has released an official report outlining a new Europa lander mission. The 264-page report details how the new Europa Lander will be the first surface-based search for life since the Mars Viking missions of the 1970s:
The Europa Lander mission would be a pathfinder for characterizing the biological potential of Europa’s ocean through direct study of any chemical, geological, and possibly biological, signatures as expressed on, and just below, the surface of Europa.
Read More: Mysterious Universe
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