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 ...

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

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

In this scenario, our first contact with aliens would be tragic. We should look for "loud shouts in the night".

The first signals from extraterrestrial civilisations, according to David Kipping's Eschatian Hypothesis, are likely to be ...

Scientists first notice cosmic objects that have a loud signature and a huge presence in the universe. There is either ...

Harvard scientist Avi Loeb claims the interstellar object 3I/ATLAS may be alien technology sent to seed life on Earth, sparking a debate with sceptics who insist it is merely a comet.

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

A mysterious intergalactic object could potentially be a “hostile” alien spacecraft that’s slated to attack our planet in November, according to a controversial new study by a small group of ...