The first unmistakable signal from another intelligence would rank alongside fire and writing in the story of our species, ...

A group of Chinese scientists is diving deep into the cosmos in search of alien radio signals from the TRAPPIST-1 star system ...

Scientists suggest the first alien signal we detect could be a desperate cry for help from a fading civilization.

SETI's 1977 "Wow!" signal from deep space was even stronger than originally thought, but its source remains a complete ...

We've all grown up dreaming of aliens landing on the Earth or laser beaming across the sky; well, either way, it's sci-fi and ...

SETI scientists observing a pulsar’s radio pulses over time are redefining how astronomers time pulsars and search for ...

Scientists searched 27 exoplanets for alien technology using planetary eclipses, revealing a new way SETI hunts signals ...

In the many decades of NASA exploration, there has only been one detection that got on that scale. It was collected by the ...

One of Britain’s most prominent space scientists believes humanity may finally get an answer to one of its oldest questions ...

On Dec. 18, just 24 hours before its closest approach, the Green Bank Telescope scanned frequencies from 1 to 12 GHz. Their ...

In her new book "First Contact," journalist Becky Ferreira explores the scientific search for alien life, our cultural obsessions with extraterrestrials and why the truth may be more human than we ...