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

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

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 ...

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

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

It may take less than 1,000 years for an advanced alien civilization to destroy its own planet with climate change, even if it relies solely on renewable energy, a new model suggests. When ...

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

If the technological capacities of intelligent entities throughout the cosmos are unbounded, why haven't we seen signs of other intelligent life? When you purchase through links on our site, we may ...

In context: Radio waves from distant galaxies are too faint to provide meaningful data for potential space observations. However, a sufficiently advanced alien civilization could harness energy in ...

Interstellar objects such as Comet 3I/ATLAS can be sent by alien civilizations to "sow" life on Earth. At the same time, it is almost impossible that for the entire time of Earth's existence the Earth ...

James has been gaming for as long as he can remember, from conquering the world in Civilization or blowing up worlds in Stellaris to getting sucked into yet another grind on either version of ...

Astrophysicists estimate that any exponentially growing technological civilization has only 1,000 years until its planet will be too hot to support life. When you purchase through links on our site, ...