Looking ahead: Existing radio surveys may contain signals that were never recognized as potential technosignatures. New ...

For generations, humans have imagined what it would be like to discover life beyond Earth. Would alien beings look anything ...

Imagine receiving a message from another world. Not from a distant galaxy millions of light years away, but from a planet ...

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 ...

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 ...