We may be missing alien radio signals because they have become smeared beyond the narrowband detectors that SETI utilizes, a new study suggests.

“The universe is not as quiet as we were told.” The line belongs to a dramatic retelling of a disputed signal claim, but it captures a sober scientific problem: the first technosignature humanity ...

American space companies Interlune and Venturi Astrolab partnered to test a lunar excavator on the Flexible Logistics and Exploration (FLEX) rover.

Stacker dove into film and TV history to compile a list of fictional inventions and gadgets that have yet to come to fruition ...

Looking for molecular evidence of life on other worlds is tricky, but a test based on the reactivity of carbon compounds ...

SETI has spent decades listening for a sharp, well-defined radio signal that could indicate it was sent by distant intelligent life. Now researchers believe that space weather could distort and blur s ...

Theoretically, it’s impossible for us to perceive a 4D creature. That is, unless it broke into our three-dimensional reality.

E.T. could be phoning home — but we’re not hearing the call. A new study published in The Astrophysical Journal argues that “space weather” could be distorting incoming transmissions from ...

The researchers who scan the skies for radio signals from extraterrestrials are now rethinking their approach.

Many people who don’t believe one conspiracy theory about that station—known as the High-frequency Active Auroral Research ...

Stellar plasma can smear alien radio signals before they escape their star system, making them harder for astronomers to detect.