For decades, science fiction writers have tried their best to prepare us for eventual contact with aliens. Their efforts are dominated by several recurrent tropes. There's the invasion by a warlike ...

A new study has taken a look at how plausible the idea of "Dyson swarms" is, how long they could feasibly be maintained by an advanced civilization, and whether it would be possible for us to detect ...

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 ...

Columbia University professor David Kipping predicts humanity's first alien encounter will be with a rare, "loud" ...