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

For decades, science fiction writers have tried their best to prepare us for eventual contact with aliens. Their efforts are ...

The search for intelligent life in our galaxy is shifting from abstract speculation to detailed cartography, as researchers ...

To find advanced civilizations, you don’t need to go hunting for megastructures or hypothetical space probes. You could find civilizations just a few centuries ahead of us by looking for a key element ...

In 1995, a pair of scientists discovered a planet outside our solar system orbiting a solar-type star. Since that finding—which won the scientists a portion of the 2019 Nobel Prize in ...

In 1950, famed astrophysicist Enrico Fermi posed a profound question during a casual lunch with colleagues: Where is everybody? In other words, if there’s an extremely high probability that advanced ...

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.