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 ...

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 ...

Every so often, headlines and social media buzz with phrases like “Mysterious signal detected from deep space”, capturing the imagination of millions. Questions immediately arise: Is an advanced ...

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 ...

Scientists have sought out and detected radio emissions from from interstellar comet 3I/ATLAS, all but confirming that it has natural origins.

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On August 15, 1977, the Big Ear Radio Telescope in Delaware, Ohio, received the most powerful signal it would ever detect during its decades of observations. The signal lasted just 72 seconds, but ...

When scientists go out looking for research funding, it helps if their projects aren’t all that exciting. Excitement usually goes with the most speculative, cutting-edge science, but funding agencies ...