Scientists have shortlisted 100 unusual radio signals from space after a 21-year search using Arecibo Observatory data. While ...

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

An object in space is emitting radio and X-ray signals with a regularity that astronomers cannot explain. A team has published its observation results in the journal Nature. The object, named ASKAP ...

Strange new radio signals have been detected coming from an unexplored region of space, leaving scientists puzzled. These mysterious emissions, unlike anything previously recorded, have prompted ...

Astronomers studying a distant galaxy cluster stumbled upon ancient radio signals that might hold clues to the formation of the early universe. While studying the distant galaxy cluster known as ...

Four days after launching on its third-ever mission, China's mysterious Shenlong robotic space plane has apparently deployed 6 unknown objects in orbit. Some of them appear to be emitting signals.

December 10, 2025, Mountain View, CA -- For 10 months, a SETI Institute–led team watched pulsar PSR J0332+5434 (also called B0329+54) to study how its radio signal "twinkles" as it passes through gas ...

Anomalous radio signals detected in Antarctica by the ANITA experiment were coming upward from Earth rather than down from the sky. Researchers used digital and mathematical simulations to test ...