What would be the first sound aliens hear from Earth? This video explores the intriguing possibilities of extraterrestrial ...

Amazing sounds of 'aliens' can be heard in a freezing Siberian lake, a Russian woman has claimed. A photographer in the Altai Mountains recorded the extraordinary haunting noises while walking on the ...

Well...perhaps not. No less an authority than Nasa have suggested they could have been made by aliens, as a test. The space agency has released a new book (which you ...

Humans have always been fascinated with space. We frequently question whether we are alone in the universe. If not, what does intelligent life look like? And how would aliens communicate? How could ...

Could the strange noises picked up by a U.S. graduate student’s balloon experiment really have come from outer space? Creative Commons Crop circles and UFO sightings weren’t getting their message ...

Advanced aliens could be chatting with each other using light flashes in plain sight, similar to how fireflies communicate, according to a new study that could lead to new approaches in finding ...

Humans should look to planetary alignments outside of the solar system when searching for signatures of extraterrestrial communications, scientists say. The nascent search for radio transmissions from ...