Sputnik skies to analysis of interstellar visitors, scientists are rethinking how and where to look for physical traces of ...

A new paper posits that advanced alien civilizations may communicate through subtle flashes, like fireflies do on Earth. The thought experiment suggests that we need to avoid human biases in our ...

When astronomers first picked up a perfectly regular radio heartbeat from deep space in 1967, some of them half-jokingly ...

Language and radio signals may not matter to aliens. Instead, they might be using patterns to leave a biological fingerprint.

A crowd-sourced search for alien intelligence called SETI@Home is in its final stages, analyzing 100 radio signals of ...

Scientists have proposed that advanced alien civilizations could build a Dyson sphere around a black hole instead of a star. Black holes can release enormous amounts of energy through their accretion ...

Erich von Däniken, the Swiss author whose books on the extraterrestrial origins of ancient civilizations brought him both ...

Clairvoyant Baba Vanga, long believed by devotees to have foreseen events such as 9/11 and the COVID-19 pandemic, predicted ...

Some scientific breakthroughs may be lost to time due to scandal and redaction, while others are simply a case of waiting for more evidence. We take a look back at some that made headlines—and that's ...

The sheer scale of Carrazco-Gaxiola’s survey, titled “An All-Sky Spectroscopic Reconnaissance of More Than 2,100 K Dwarfs ...

Bad news for those hoping interstellar invader 3I/ATLAS is an alien spacecraft as technosignature search turns up empty.