How Radio Astronomy Helps Us See the Invisible Cosmos," astrophysicist Emma Chapman describes the hidden corners of space that only radio waves can reveal — and makes the case for contacting aliens.

Scientists setting up ‘post-detection hub’ in Scotland are concerned humans would react ‘like headless chickens’ The moment has been imagined a thousand times. As astronomers comb the cosmos with ...

Science fiction has long speculated about the possibility of first contact with an alien species from a distant world and how we might be able to communicate with them. But what if we simply don’t ...