Could the first confirmed signal from an extraterrestrial source be less a hello than a goodbye? Astrophysicist David Kipping argues as much, and his “Eschatian Hypothesis” reimagines the way ...

The first unmistakable signal from another intelligence may not be a cheerful greeting. A growing group of researchers is ...

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 ...

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 ...

A new study published in the journal Astrophysical has outlined a novel method that could be used to detect advanced alien civilizations remotely. The premise is to look for signs of nuclear fusion on ...

A cosmologist suggests we should look for exploration, along with energy signatures, to try and find aliens. Dyson spheres of some kind may be built to harvest energy from dark matter in black holes.

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 ...

Recently, according to Live Science, the results of two scientific studies have been released that could, if verified, prove the existence of advanced alien civilizations elsewhere in the universe ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

To explore the galaxy and hunt for resources, intelligent aliens might need to turn their home stars into natural spaceships, a new paper suggests. A few known star systems might fit the bill. When ...

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, ...