For decades, the search for life beyond Earth has focused on distant exoplanets and the rusty plains of Mars. Now, a small ...

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

From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to ...

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.

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 ...