There’s now strong evidence that Europa might be a worthwhile place to search for life.
The search for extraterrestrial life has been given a boost by a new tool that can better detect methane on planets outside our solar system.
Astronomers have told the US Congress that extraterrestrial life could be discovered as soon as “in the next 20 years” and the search “warrants scientific inquiry”.
Humans are not prepared to make first contact with an extraterrestrial species, a new study suggests.
Images of what appeared to show a light source on the surface of Mars, exciting UFO believers as a possible sign of intelligent extraterrestrial life have been explained by Nasa.