Could the first confirmed signal from an extraterrestrial source be less a hello than a goodbye? Astrophysicist David Kipping ...

Aliens might be transmitting communications signals to each other across exoplanets, some astronomers think. Since these signals are likely sent as narrowband radio waves, we may now have a way to ...

Scientists suggest the first alien signal we detect could be a desperate cry for help from a fading civilization.

Historically, many scientists and society have been fascinated by the prospect of making contact with extraterrestrial ...

There's the invasion by a warlike species, there's the highly evolved species trying to communicate with our primitive ...

In the many decades of NASA exploration, there has only been one detection that got on that scale. It was collected by the ...

That’s the question at the center of Pop Mech ’s new story, “ Aliens Probably Exist—But They’re Staying Silent For a Reason, ...

Scientists warn humanity that the first contact with an alien civilisation may be loud, chaotic and extreme, potentially ...

The search for extraterrestrial intelligence (SETI) has yet to detect alien technosignatures like radio waves, but the cosmos is vast, and there are plenty of places left to look. New research ...

Estimating the chance of getting a message from life beyond Earth, say within the next decade, isn’t easy. Even the best experts are reluctant to offer precise odds. “Anybody who gave you a figure ...

The Fermi Paradox, first devised by physicist Enrico Fermi in the 1950s, asks why we haven’t detected alien civilization yet, despite the vast universe teeming with countless potentially habitable ...

The SETI Institute continues to answer the age-old question: “Are We Alone?” From celebrating 40 years of groundbreaking research to exploring the potential of AI in extraterrestrial communication, ...