Historically, many scientists and society have been fascinated by the prospect of making contact with extraterrestrial ...

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 ...

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

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

A legendary signal from deep space, once dismissed by some as statistical noise, has just become even more mysterious.

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

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 ...

Astronomers thought they had seen the "first hints of life on an alien world" this year, but they disappeared under closer ...

Scientists warn humanity that the first contact with an alien civilisation may be loud, chaotic and extreme, potentially ...

Seven weeks after Inauguration Day, President Donald Trump stood before America and declared the U.S. southern border secure.

Long before scientists discovered that other stars in the universe host their own planetary systems, humanity had ...