In the hunt for life outside Earth, Mars is old news. “I think I’d rate Enceladus now over Europa, and there were people who were saying Europa was a better prospect than Mars,” said Seth Shostak, the ...

Eric Mack has been a CNET contributor since 2011. Eric and his family live 100% energy and water independent on his off-grid compound in the New Mexico desert. Eric uses his passion for writing about ...

A NASA spacecraft is ready to set sail for Jupiter and its moon Europa, one of the best bets for finding life beyond Earth. Europa Clipper will peer beneath the moon’s icy crust where an ocean is ...