Astronomers: Comet Could Host Extraterrestrial LifeLeading astronomers say micro-organisms could live beneath the icy surface of comets.
UFO Watchers Claim NASA Cut Live Stream After Alien SightingUFO hunters claim NASA has been cutting its live feed from outside the International Space Station every time a UFO shows up.
Scientists Discover The Most Earth-Like Planet Ever FoundConditions on the "Goldilocks" world may be just right for life.
Scientists: The Universe's Most Common Stars Could Make Alien Life ImpossibleRed dwarfs are the most common stars in the universe, but their solar winds may blast a planet's atmosphere into space.
'Cosmos' Host: I Fear Aliens Have Visited Earth And Concluded There's No Signs Of Intelligent LifeThe famous astronomer says an intelligent species may have already come and gone without an inkling there might be intelligent life here on Earth.
NASA: Planets On Their Sides May Be More Likely To Host LifeAstronomers say a planet that is rotated on its axis may have a better chance of sustaining life.
Astronomers Spot Most Earth-Like Planet YetKepler-186f is a rocky planet that orbits a red dwarf star 500 light years away and exists in the Goldilocks zone, where conditions for life may be just right.
Astronomers: Saturn's Moon Enceladus Holds Huge Ocean Of WaterFinding makes the moon a likely candidate for extraterrestrial life in our solar system.
William Shatner "Certain" Alien Life ExistsStar Trek star says life in outer space is a mathematical certainty.
NASA Says It Wants To Visit Jupiter's Moon EuropaScientists believe there may be liquid water on the Jovian satellite.
Lawsuit Claims NASA Is Failing To Investigate Alien LifeLawsuits suggests NASA is covering up evidence of life on Mars.