If the Sun were very different, we wouldn’t be here. A shorter-lived star wouldn't provide the opportunity for humanity to develop, a star that was more erratic would regularly fry us, and stars in ...

Many explanations for the Fermi Paradox focus on alien superintelligence or cosmic catastrophes, but the real answer might be ...

Earthlings, brace yourselves: the galaxy may be emptier than your last Tinder date. According to a new study, any alien ...

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For centuries, great thinkers have pondered why, given the hundreds of billions of planets in the galaxy, we have seen no compelling signs of intelligent life beyond Earth. Now, scientists are mulling ...

It was a simple question asked over lunch in 1950. Enrico Fermi, the Nobel Prize-winning physicist who helped usher in the atomic age, was dining with colleagues at Los Alamos, New Mexico, when the ...

From Harvard this week comes a compelling and evidence-based answer to the evergreen question: if there's life beyond our planet, where is it? The scientists' logic goes like this: Our sun is an ...

It is one of the most famous questions in science, and it was asked, as legend has it, over lunch. Enrico Fermi, the ...