If humans ever receive a message from intelligent aliens, the biggest challenge may not be how far away they are, but how to communicate at all. Our nearest star system is more than four light-years ...

To date, the search for alien intelligence, collectively known as SETI, has focused on more human-esque types of searches. These include radio signals, laser pulses or even physical megastructures ...

Advanced alien civilizations may communicate via a series of flashing lights, similar to how fireflies do, a new paper hints. This would potentially make extraterrestrials much harder to spot if we ...

When we think of extraterrestrial intelligence that might be out there among the stars, we tend to think of creatures not too unlike us, though maybe with gray skin, probably bald and with big black ...

For generations, people along Alaska's coast reported a strange sound carrying over the water. Some compared it to distant thunder or machinery. Others felt it vibrate through buildings. Researchers ...

Studying how honeybees process information may help humans communicate with aliens, according to a new thought experiment. Although the ancestors of honeybees and humans diverged in evolution more ...