The inventor and engineer picked up a mysterious signal in 1899 that he could not find an explanation for.
Astronomers have been attempting to understand the nature of a distant object known only as GPMJ1839-10.
Astronomers looking for signs of alien life are listening out for radio pulses originating from the center of the Milky Way.
A new study has aimed to determine whether Earth's radio and mobile tower signals could be picked up from other worlds.
A response to signals sent by some of our own spacecraft could reach Earth before the decade is out, scientists say.
The encouraging discovery could indicate the presence of a magnetic field and the potential for alien life.
The double telescopic study of this distant region of space aimed to listen out for any other interesting signals.
China's 'Sky Eye' telescope has picked up possible evidence of extraterrestrial intelligence.
Astronomers in Australia have discovered a strange radio source and nobody knows what it could be.
Astronomers are currently investigating a signal coming from the direction of our closest neighboring star system.
An amateur astronomer has pinpointed the most likely star system from which the signal may have originated.
SETI has been searching for evidence of alien signals for decades, but what if we're using the wrong technology ?
By identifying the chemical signal that triggers swarms to form, it may be possible to stop swarming entirely.
It looks as though China may be about to take the lead in the global effort to detect an alien signal.
When Liam Gomez felt a peculiar sensation in his ear, it signalled the beginning of his worst nightmare.
A recent incident at a dentist's office saw a woman insist that her dental filling was sending radio signals to ET.
Astronomers have picked up a very unusual repeating signal from a distant galaxy and nobody knows what it is.
Astronomers discovered the signals after analyzing 400 terabytes of radio data using an artificial intelligence.
Scientists have revamped the scale used to determine the significance of potential extraterrestrial signals.
Scientists have used radio signals as well as an artificial intelligence to track individuals through solid walls.