Searching for life in alien oceans may be more difficult than scientists previously thought, even when we can sample these extraterrestrial waters directly. A new study focusing on Enceladus, a ...

Gaia was launched in 2013 to map and characterize more than one billion ... They conclude that some began their lives as part of the Gaia-Enceladus-Sausage galaxy. The Milky Way is 13.5 billion ...