Who or What Built the Universe?

Theoretically, building a universe -- even a nicely tuned one -- is not a particularly difficult technical challenge. Heck, our foreseeable descendants might be able to do it.

New Homes for ET?

The type of multiple-planet solar system we live in isn't oddball at all, but is as humdrum as hairpins. That would, of course, be good news for those who hope to find extraterrestrial life.

Don't Tell ET!

If SETI detects an extraterrestrial transmission, will someone grab the microphone and reply? If so, who speaks for Earth?

Where Are the Aliens? Fermi Paradox Redux

We don't see any evidence extraterrestrial life. Does that mean that Homo sapiens is the smartest species within 100 thousand light-years? That would be remarkable and, judging by my daily interaction with said species, scary.

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