Advanced alien civilizations might not be whispering across the cosmos with radio waves at all, but instead flickering like ...

One small artifact opened up a world of discovery of a Neolithic civilization with a remarkably advanced social structure.

Steward Observatory’s long running Public Lecture series aims to make the complex field of Astronomy accessible to everyone.

A new paper posits that advanced alien civilizations may communicate through subtle flashes, like fireflies do on Earth. The ...

An international team of researchers pointed the largest single-dish radio telescope in the world at 3I/ATLAS.

As this interstellar object approached its closest point to Earth, a massive radio telescope attempted to sniff out a ...

When ET phones home, it could be his last call. Contrary to sci-fi movie depictions, our first contact might not be with a super advanced alien civilization at the height of power. Rather, Ivy League ...

The afternoon of 7 August 1996 isn’t a time that sticks in many people’s minds. But if things had worked out differently, it might have been etched into our collective memory. At 1.15pm, US President ...

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 ...