The idea was that as an alien civilization advances, its technology becomes too sophisticated for us to detect. We could ...

We’ve searched the skies for alien signals in the form of radio waves and reflected light from massive orbiting structures. But physicists Gia Dvali (of the Max Planck Institute for Physics) and Zara ...

Scientists have found a nearby planet that appears to be teeming with life, and now Earth's most advanced computer programs revealed what it could look like. The planet, known by astronomers as K2-18b ...

There are three ways to look for evidence of alien technological civilizations. One is to look out for deliberate attempts by them to communicate their existence, for example, through radio broadcasts ...

The humble residents of this pale blue dot have been on a quest to find an alien civilisation for more than a century. First, ...

Don’t bother wondering if alien civilizations can hear our radio broadcasts or not. According to a new study, sufficiently advanced aliens can already see us. The research, set to be published to the ...

Two surveys of millions of stars in our galaxy have revealed mysterious spikes in infrared heat coming from dozens of them. Astronomers say this could be evidence for alien civilisations harnessing ...