Among eight new Kepler planets found are the two most Earth-like to date, with possible conditions for the propagation of life.
A meteorite from Mars that landed on Earth in 2011 contains a carbon compound that is biological in origin.
Director Neill Blomkamp has revealed his new "Alien" movie will overwrite "Alien 3" and "Alien: Resurrection".
The "District 9" director's next creature feature could see Sigourney Weaver's Ripley back where she belongs, kicking xenomorph tail.
Technically Incorrect: John Podesta, a senior White House adviser who's leaving to, reportedly, head up a Hillary Clinton bid for the presidency, says his biggest regret on departing is not securing the release of "the UFO files."
These crop circle towels add a touch of alien beauty to any home, whether you believe spacecrafts have landed on Earth or not.
After a nine-year journey, NASA's New Horizons spacecraft has kicked off its mission to explore everyone's favorite dwarf planet, Pluto.
You don't have to duck, but a good-sized asteroid will make a fairly close flyby of Earth at the end of the month.
NASA's VolcanoBot is a brave little machine on wheels that doesn't mind diving into fissures and lava tubes for science.
Rallying back from a mechanical failure, the telescope helps confirm the existence of an exoplanet 2.5 times the diameter of Planet Earth.