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Artist's concept of Kepler-186f, the first Earth-sized exoplanet to be discovered orbiting in the habitable zone of its star.

Fermi Paradoxica focuses on one of the greatest questions in the history of humanity - are we alone? New discoveries about other potentially habitable worlds, including some of the thousands of exoplanets now being found, have brought us closer to an answer than ever before. From the possibility of life on Mars to ocean moons such as Europa and Enceladus, we may find that evidence in our own solar system. But FP also looks at other, more controversial ideas and subjects, from alien technosignatures like Dyson Spheres to the UFO enigma, including new recent revelations about U.S. government and military interest in the phenomenon. Are we already being visited? FP takes a cautious but open approach to that profound possibility.

I publish FP as a personal blog, a complement to my other freelance space writing for EarthSky and AmericaSpace, and my other blog, Planetaria.

- Paul Scott Anderson

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