The Fermi Paradox ponders an endlessly fascinating question: If so many worlds exist in the universe, why haven’t we detected any sign of extraterrestrial life? A possible reason, called the ...

A new paper posits that advanced alien civilizations may communicate through subtle flashes, like fireflies do on Earth. The ...

New modeling of our galaxy’s habitable zones suggests that if intelligent civilizations exist, they are likely to be both very far away and vastly older than our own, on the order of hundreds of ...

After searching 100,000 galaxies for signs of highly advanced extraterrestrial life, a team of scientists using observations from NASA's WISE orbiting observatory has found no evidence of advanced ...

In 1950, famed astrophysicist Enrico Fermi posed a profound question during a casual lunch with colleagues: Where is everybody? In other words, if there’s an extremely high probability that advanced ...

Assuming our solar system’s newest interstellar object isn’t an alien mothership sent here to menace us, humankind still hasn’t spotted any signs of extraterrestrial life, let alone intelligence — ...

"Where is everybody?" That famous phrase, uttered over lunch by eminent physicist Enrico Fermi, perfectly encapsulated what has since become known as the Fermi paradox: If life happened here on Earth ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. Astronomers have begun a first-of-its-kind search for signs ...

A cosmologist suggests we should look for exploration, along with energy signatures, to try and find aliens. Dyson spheres of some kind may be built to harvest energy from dark matter in black holes.

In 1995, a pair of scientists discovered a planet outside our solar system orbiting a solar-type star. Since that finding—which won the scientists a portion of the 2019 Nobel Prize in ...

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