The moment of first contact with extraterrestrials is a staple of science fiction. It usually involves a frantic scientist having a Eureka moment, realising in a single dramatic instant that Earth is ...

With the release of Disclosure Day, Steven Spielberg’s new film about aliens, a question as old as science fiction itself resurfaces: if aliens were to arrive on Earth, would they come to conquer us, ...

When Neil deGrasse Tyson was 9 years old, he visited the Hayden Planetarium for the first time. Growing up gazing into light pollution in the Bronx, he had no idea there were that many stars. “I was ...