If intelligent alien civilizations exist, why has nobody ever contacted humanity? This video explores the famous Zoo Hypothesis, the Fermi Paradox, and the unsettling possibility that advanced ...

You Don't Understand The Fermi Paradox ...

(via Sabine Hossenfelder) The Fermi Paradox is an estimate that says: Given all we currently know about the universe, we should have found extraterrestrial life already. So why haven’t we? In a paper ...

Astronomers raised hopes that humanity might not be alone in the universe by announcing on Thursday they have detected the most promising hints yet of life on a distant planet. But given the age and ...

(via PBS Space Time) Around 2 billion years ago, life had plateaued in complexity, ruined the atmosphere, and was on the verge of self-annihilation. But then something strange and potentially ...

Our search for extraterrestrial life has turned up empty, perhaps because technologically advanced civilizations are doomed to fail. An astrophysicist has proposed an intriguing explanation for why ...

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 ...

Astronomer Frank Drake formulated his influential equation in 1961 to estimate the number of civilizations in the Milky Way capable of communicating with us. Our understanding of planetary science has ...