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Life, Unbounded

Life, Unbounded

Discussion and news about planets, exoplanets, and astrobiology

Is Biology Best?

Are there hints that machine life simply doesn’t happen in the universe?

January 11, 2020 — Caleb A. Scharf

Rise of the Machines

There may be things to learn from the one known world in the universe dominated by complex machines 

December 29, 2019 — Caleb A. Scharf | Opinion

Deep Breather

Explaining the very long steps of Earth’s oxygenation—and perhaps that of other planets, too

December 22, 2019 — Caleb A. Scharf

The First Alien

When did we start talking about life from elsewhere?

November 30, 2019 — Caleb A. Scharf

Galactic Extremism

Some scenarios for interstellar expansion are more disturbing than others

November 17, 2019 — Caleb A. Scharf

The Planets and You

Predictable transits and conjunctions belie a deeper story that includes our origins

November 10, 2019 — Caleb A. Scharf

The Spookiverse

The most haunting thing about the universe is how empty it is

October 30, 2019 — Caleb A. Scharf

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