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 ...

Could the first confirmed signal from an extraterrestrial source be less a hello than a goodbye? Astrophysicist David Kipping ...

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

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

There's the invasion by a warlike species, there's the highly evolved species trying to communicate with our primitive ...

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

The controversial Harvard astronomer is one of the main sources of the "alien mothership" hypothesis. This is what he thinks, ...

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.

The focus on the comet known as 3I/ATLAS has fueled long-time speculations on whether there could be aliens present on the celestial body. One particular theory ties this possibility to the ...

One common complaint about science fiction involving aliens, especially a large and diverse cast of different alien races, is that the aliens just aren't alien enough. It seems like every week, the ...