Radio telescopes have long scanned quiet patches of sky for a lone, artificial-sounding ping, but a growing body of research ...

Advanced aliens could be chatting with each other using light flashes in plain sight, similar to how fireflies communicate, ...

Across the observable universe, galaxies advertise themselves in radio waves for familiar reasons-magnetic fields, cosmic ...

If so, why haven’t they said hello? The humble residents of this pale blue dot have been on a quest to find an alien civilisation for more than a century. First, it was the “canals” of Mars. Then ...

Scientists have been searching for evidence of extraterrestrial life for decades. So, where are all the aliens? Here are 12 intriguing theories ... When you purchase through links on our site, we may ...