The building blocks of life could spontaneously appear whenever a comet smashes in to a planetary body.
Astronomers believe that the moons around extrasolar planets may not be good candidates for life.
Microscopic algae found on the side of a research balloon is being hailed as evidence of alien life.
Several leading astronomers believe that the first aliens we encounter will likely be robotic in nature.
Survey telescopes set up in Antarctica are being used by Chinese astronomers to look for alien planets.
The possibilities and consequences of such a discovery have been discussed at the World Economic Forum.
The astrobiologist has claimed that fossil diatoms found in a meteorite are proof of alien life.
Exotic alien life could potentially thrive on habitable moons around distant planets, say scientists.
Astronomers have identified an extrasolar planet that is a top contender in the hunt for alien life.
Astronomer Lord Martin Rees believes that we may soon know if there is life elsewhere in the universe.
Edinburgh University is to become the latest to offer an online course on the search for alien life.
How far can our imagination take us when it comes to envisaging extraterrestrial life forms ?
In a recent interview cosmologist Charley Lineweaver outlined his views on our efforts to find ET.
How would the world react if SETI found evidence of intelligent life elsewhere in the universe ?
An international team of scientists believes NASA found alien life on Mars over 35 years ago.
Scientists have put together a list of the most likely places to find alien life in the universe.
Researchers have suggested that the search for alien life should go beyond looking for Earth-like worlds.
If intelligent alien life were to be discovered, what impact would this have on religion ?
Life in the universe may be most likely to exist on desert planets rather than Earth-like worlds.
A top Russian astronomer has predicted that we will contact alien life within the next two decades.