The discovery of an Earth-like world around Proxima Centauri has spurred on efforts to send a probe there.
Astronomers are no closer to explaining the erratic behavior of this perplexing stellar phenomenon.
A zoo owner has come forward with information that could help to explain the alien big cat phenomenon.
Authorities were notified after a large black creature was spotted chasing deer in North West England.
Scientists have identified two distant worlds which could be ideal places to look for alien life.
Victor Viggiani released the documents to the public during the Alien Cosmic Expo event on Saturday.
A 470 million-year-old meteorite has turned out to be quite unlike any that have been found before.
Scientists have calculated that it could be a long time indeed before we hear from intelligent aliens.
Three witnesses claimed to have encountered the entity around one week ago in the city of Santa Cruz.
A new study has suggested that the universe is likely to be teeming with extraterrestrial life forms.
A terrified couple in England have sketched a creature that they encountered while out driving at night.
The SETI Institute is aiming to find evidence of aliens in a place where nobody had thought to look.
A new study has suggested that it may be possible to stop alien civilizations from discovering us.
An unidentified US Navy officer claims that he saw evidence of UFOs at the Moffett Field naval base.
The US President commented on extraterrestrial contact during a television interview with a six-year-old.
Mysterious silica formations photographed in a Martian crater could represent evidence of alien life.
Even if we do find a habitable planet, could its indigenous life forms have already died out long ago ?
An astronomical anomaly thought by some to be an 'alien megastructure' has continued to defy explanation.
The famous 'Wow!' signal picked up in 1977 could turn out to have a rather mundane explanation.
The bizarrely named 'octopus stinkhorn' looks rather a lot like something from the Alien movie franchise.