A heartwarming new Christmas ad has reunited Steven Spielberg's friendly alien with the now grown-up Elliot.
The research organization is today celebrating 35 years of searching for signs of extraterrestrial intelligence.
Scientists have warned that an 'aliens landing on the White House lawn' type moment is unlikely to occur.
One scientist has proposed a possible new explanation for why we have yet to encounter intelligent alien life.
Whistleblower Edward Snowden has revealed what he found when he searched the CIA for evidence of alien life.
Gilbert Levin, who worked on the two Viking landers, maintains that evidence of alien life was found in 1976.
Some of the things that make the Moon inhospitable could also be helping to preserve evidence of ET.
A new paper has put forward the idea that an alien civilization may have been watching us for millennia.
A world-famous sign situated near the secretive Area 51 facility has been taken down by local authorities.
An Oxford University survey asked the British public who they would trust to respond to first contact with ET.
Scientists have discovered an exotic alien mineral that does not occur naturally anywhere on Earth.
A new book has told the story of how Major George Filer encountered and killed an alleged extraterrestrial.
It may be possible to detect signs of extraterrestrial life on a distant world by picking up its biofluorescence.
Amusing archive footage has highlighted how attitudes on the topic of alien life have changed over the years.
The American author and ufologist once claimed to have been in contact with an extraterrestrial from Venus.
A recent incident at a dentist's office saw a woman insist that her dental filling was sending radio signals to ET.
Tom DeLonge's UFO organization claims to be studying 'metamaterials' that may be extraterrestrial in origin.
Researchers want to ascertain the public's views on how humanity should respond to first contact with aliens.
Project officials have released over one petabyte of data from the ongoing hunt for intelligent extraterrestrial life.
Oxford academic Dr Young-hae Chi claims that humanity has been having some very close encounters indeed.