For decades, the search for life beyond Earth has focused on distant exoplanets and the rusty plains of Mars. Now, a small icy world in orbit around Saturn is emerging as one of the most compelling ...

New research casts doubt on the prospects for a habitable, active environment beneath the frozen surface of Jupiter’s moon ...

What if the Moon was more than just a lifeless rock? Under that bright light, it could be hiding an alien civilization. When ...

Saturn's giant moon Titan may not have a vast underground ocean after all. Titan may instead hold deep layers of ice and slush more akin to Earth’s polar seas, with pockets of melted water where life ...