Could ancient alien technology be hiding on the Moon? Scientists propose searching lunar dust for microscopic traces of distant civilizations.

It starts with a signal. Faint, strange, and unlike anything humanity has ever recorded. Within hours, it escalates into an event that changes the course of history as an alien arrival on Earth ...

SETI scientists searched the interstellar object 3I/ATLAS for radio signals that could indicate extraterrestrial technology but found nothing beyond human-made interference. Even so, the ...

Quantum computing entrepreneur Deep Prasad has suggested that alleged technology recovered from the 1947 Roswell incident may have accelerated developments behind modern AI, though no evidence ...

You might think this column is about UFOs and the Pentagon's recent declassified files. It's not. We're talking about technosignatures, the evidence of alien technology: a radio or laser signal, ...

When Comet 3I/ATLAS entered our solar system last year—only the third known interstellar object to do so—astronomers took notice. And so did scientists involved in the search for extraterrestrial ...