SpaceNo, aliens aren't lurking on the International Space Station History tells us that earthly contamination is by far the most likely explanation for “extraterrestrial” bacteria found on the ISS hull, says Geraint Lewis Comment
SpaceEnceladus’s hot, gritty core may cook up ingredients for life Saturn’s moon Enceladus seems to have a sandy core that warms water passing between the grains. This heating could help create conditions that are right for life News