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

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

In 1977, astronomers detected a powerful, narrowband radio signal that appeared to come from deep space. It lasted just 72 ...

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 ...

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

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

Is 3I/ATLAS an alien probe? Breakthrough Listen uses the Green Bank Telescope to search for technosignatures as the ...

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 ...