What rocky moon has a nitrogen-rich atmosphere, Earth-like weather patterns and geology, liquid hydrocarbon seas and a relatively good chance to support life? The answer is Titan, the fascinating moon of Saturn.

¿Qué luna rocosa tiene una atmósfera rica en nitrógeno, patrones meteorológicos y geológicos como la Tierra, mares de hidrocarburos líquidos y una probabilidad relativamente alta de sostener vida? La respuesta es Titán, la fascinante luna de Saturno.

If we ever do receive a message from outer space, we´ll want to know what kind of aliens sent it. SETI researcher Seth Shostak says we shouldn´t expect them to be anything like us – in fact, they might not be biological at all,

New research on ancient fossils also may offer insight into finding signs of life in Martian rocks.

New research on ancient fossils also may offer insight into finding signs of life in Martian rocks.