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 may not be a cheerful greeting. A growing group of researchers is ...

Could the first confirmed signal from an extraterrestrial source be less a hello than a goodbye? Astrophysicist David Kipping argues as much, and his “Eschatian Hypothesis” reimagines the way ...

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

Elon Musk reacts to a resurfaced video with a four-word tweet, reaffirming his long-term vision for travel beyond the confines of our solar system. Learn more about Musk’s vision of finding alien life ...

Did aliens influence mankind in ancient times? Yet another season for the show that has been saying "yes" since 2009 ...

A major claim in the older media cycle was that NASA removed the book and related materials. Whatever happened during the original wave of reporting, the current reality is clear: NASA now provides an ...

If aliens from space can die and mourn their dead then they likely invented gods to worship. Because they missed their loved ...

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 ...

Erich von Däniken, the Swiss author whose bestselling books about the extraterrestrial origins of ancient civilizations ...

The SYFY miniseries Childhood's End, based on Arthur C. Clarke's alien invasion novel, has an ending that you won't be able ...

Erich von Däniken, the Swiss author whose bestselling books about the extraterrestrial origins of ancient civilizations ...