Claims that aliens are already here are everywhere, but proving them is another matter. The strongest cases become more ...

Add Yahoo as a preferred source to see more of our stories on Google. For decades, humanity has scoured the cosmos for any signs that we aren't alone in the universe. But now, researchers at the SETI ...

The reason we haven’t heard from aliens could be remarkably simple: interstellar communication is hard, and turbulent plasma emitted by stars makes it harder. A new study proposes that when listening ...

For 50 years a devoted group of scientists has been listening for signals from intelligent life. Despite all the dead air, the true believers say the odds of success are now better than ever. As the ...

Three Indigenous studies scholars draw from colonial histories and explain why listening for alien life can have ethical ...

Astronomer Jill Tarter has been scanning the skies for signals from intelligent aliens for the past 35 years, but now she's making a career change. Tarter, the inspiration for heroine Ellie Arroway in ...

The SETI Institute recently began searching for signs of advanced extraterrestrial civilizations in distant galaxies outside our own. The research comes at a time when the notion that strange crafts ...

Some of our SETI Institute team members at Pixar Animation Studios. A new documentary film, recently released, celebrates first contact with aliens and highlights the importance of SETI research in ...

Have you ever looked up into the night sky and wondered if there was life out there? Maybe not within our solar system, but surely there must be something else in the infinite expanse of space, right?