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

The first unmistakable signal from another intelligence would rank alongside fire and writing in the story of our species, yet a growing group of researchers warns that such a moment might arrive not ...

For decades, the search for extraterrestrial intelligence has focused on subtle whispers in the cosmic noise, the faint, ...

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 ...

The Fermi Paradox ponders an endlessly fascinating question: If so many worlds exist in the universe, why haven’t we detected any sign of extraterrestrial life? A possible reason, called the ...

We've all grown up dreaming of aliens landing on the Earth or laser beaming across the sky; well, either way, it's sci-fi and ...

The Drake Equation helps scientists estimate the odds of finding intelligent alien civilizations. It’s an age-old question: Do aliens exist? And what are the odds we’ll make contact? A famous ...

Some scientific breakthroughs may be lost to time due to scandal and redaction, while others are simply a case of waiting for ...

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 ...

Hunting for alien civilizations isn't a matter of just waiting around for them to show up; it's the business of combing through enormous volumes of data to look for peculiar signals. When you purchase ...

It’s one of the most popular themes in science fiction—top secret government experts are ready to spring into action if a UFO appears. For example, in the novella-based 2016 film Arrival, the ...