dec 112013
 
Life on the Moons of Jupiter and Saturn through Panspermia?

  A new study suggests the possibility of transfer of life from the inner Solar System to the moons orbiting Jupiter and Saturn, although very rare, cannot be ruled out. A comparison portrait of Jupiter’s four Galilean moons Io, Europa, Ganymede, and Callisto, each with different characteristics. (In this image composite, Jupiter is not at [continue reading]

mei 252012
 
Organic Carbon In Meteorites From Mars Is Not Biological

  Molecules containing large chains of carbon and hydrogen–the building blocks of all life on Earth–have been the targets of missions to Mars from Viking to the present day. While these molecules have previously been found in meteorites from Mars, scientists have disagreed about how this organic carbon was formed and whether or not it [continue reading]