For decades, scientists have searched the skies for signs of extraterrestrial technology. A study from EPFL asks a sharp ...

Could alien signals have already reached Earth undetected? - If advanced alien civilisations exist and have contacted Earth, ...

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 ...

Astronomers have detected a mysterious object in our galaxy that emits intense bursts of radio waves and X-rays with remarkable regularity, every 44 minutes. The signals, coming from a source called ...

If it were a phone call, we might call it a butt dial: A strong radio signal that set off questions about whether it emanated from an advanced alien race earlier this week is now believed to have come ...