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

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 ...

Scientists are to send a spacecraft to hunt for aliens potentially hiding in our solar system. The European Space Agency (ESA) has announced a mission to Saturn's moon Enceladus, as it has all the ...