Attention human. You are receiving an interstellar radio transmission. And it could be coming from one of the nearest ...

New research suggests that alien radio signals may be transformed by plasma from their home stars — and scientists on Earth ...

"There is a silence in the night sky that has bothered me for as long as I can remember." That line, attributed to Richard Feynman, lands because it gets at a simple, stubborn feeling. The sky looks ...

There is something almost offensive about a sky so full of stars and so empty of company. That is what gives Richard ...

Researchers from the search for extraterrestrial intelligence (SETI) may have figured out why we have not detected any alien ...

Scientists are listening in on sperm whale conversations and studying Earth's strangest microbes to prepare humanity for first contact with extraterrestrial life.

Once small enough, these technograins might gain a trip out of its host solar system by a solar wind that overcomes the ...

Our search for technosignatures—clear signs of advanced civilizations beyond Earth—takes many forms. Many are driven by the famous Drake equation, which attempts to estimate how many technological ...

To assess the plausibility of alien visitors, it’s necessary to understand the obstacles that an extraterrestrial vessel would need to overcome to reach Earth ...

This voice experience is generated by AI. Learn more. This voice experience is generated by AI. Learn more. The Milky Way galaxy has more than 400 billion stars in it. Over the last few decades, ...

Steven Spielberg has given world cinema some of its most iconic depictions of extraterrestrial civilizations, but now the legendary director claims to know something about real-life aliens as ...

For generations, science fiction has imagined what life might look like on other worlds. Novelist H.G. Wells described nightmarish squid-like Martian invaders in The War of the Worlds, while the ...