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.
NASA scientists have analysed the water signatures in Mars' atmosphere to determine that the planet once had a primitive ocean bigger than the Arctic Ocean on Earth.
New research might shed light on how we got here by demonstrating that chemical components of our DNA could be produced in the brutal conditions of space.
The "District 9" director's next creature feature could see Sigourney Weaver's Ripley back where she belongs, kicking xenomorph tail.
Director Neill Blomkamp has revealed his new "Alien" movie will overwrite "Alien 3" and "Alien: Resurrection".
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.