Add Yahoo as a preferred source to see more of our stories on Google. Scientists from the University of California at Berkeley are using the 500-meter Aperture Spherical Telescope in China to check ...

Green Bank Telescope rules out alien signals in interstellar comet 3I/ATLAS after rigorous scientific deep search.

For researchers seeking answers to the question of whether we are alone in the universe, one event nearly half a century ago lingers even today — the so-called "Wow! Signal" detected back in 1977.

As humans began to explore outer space in the latter half of the 20th century, radio waves proved a powerful tool. Scientists could send out radio waves to communicate with satellites, rockets and ...

For nearly four decades, Earth has been quietly receiving a repeating radio signal from deep space — one that challenges ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Gabriela Radulescu, Smithsonian Institution (THE CONVERSATION) As humans began to ...