The faraway moon has 'a slushy high-pressure ice layer' similar to the melting Arctic that could hide extraterrestrial life.

Saturn's moon, Enceladus, could harbour alien life deep within its underground oceans, according to the European Space Agency (ESA). Although the moon may appear barren, near the South Pole, tiny ...

At first glance, Saturn’s moon Titan doesn’t seem like the kind of place that could host alien life. The average temperature of this distant orange ball is a frigid -290 degrees Fahrenheit. And while ...

Cassini narrow-angle camera image looking across the south pole of Saturn's icy moon Enceladus on 30 November 2010. There are complex organic molecules spewing from Saturn’s sixth-largest moon, ...

Enceladus has a surface temperature of below - 200 degrees but is thought of having a large hot sub-surface ocean that shoots up plumes of material hundreds of miles up This three-image mosaic handout ...

Neil Armstrong did not find them on the moon and the Mars probes have yet to meet them, but thousands of humans are still convinced there are aliens out there, somewhere. And there is a strong belief ...

Nasa’s mission teams use extreme environments to trial equipment and procedures for future lunar and planetary exploration.

Scientists have long looked to the skies for signs of alien life, imagining flying saucers or flashing lights. But a new theory suggests that alien probes could already be here, hiding in plain sight.

Jupiter's moon Io is a world of pure, violent chaos. With hundreds of active volcanoes, its surface is a crucible where lead would vaporise instantly. For decades, scientists dismissed it as the least ...