Astronomers are coming to believe that some of the solar system's moons might be more likely places to search for life than Mars.
Martian rocks from a crater hit by a meteorite may contain the strongest evidence yet that there is life on Mars.
Curiosity, is about to start drilling into the Red Planet for the first time, after discovering a treasure trove of what looks like water-created minerals.
The 3.5 billion-year-old fossil could help scientists discover microbes on Mars
Astronomers have detected an alien planet that may be capable of supporting life as we know it
Evidence of planets supporting alien life beyond the solar system will be found within the next 50 years
Scientists have found an Earth-sized planet circling a neighbor star just 4 light-years away.
A prominent scientist who had previously dismissed the possibility of the afterlife says he has reconsidered his belief
Astronomers have discovered their "holy grail" - a planet capable of supporting life outside our solar system.
SETI Live Site Seeks Citizen-Scientists To Join Search For Extraterrestrial Life
Intelligent life may be in it's "very young" stage in the observable Universe.
It's a question man has been asking for centuries: are we alone and could there really be life out there somewhere.
Bryan Fains still thinks the blue object he saw skittering across the sky above Centreville, Va., on Nov. 3 might have been a UFO.
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