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Life, Unbounded

Life, Unbounded

Discussion and news about planets, exoplanets, and astrobiology

Galactic Extremism

Some scenarios for interstellar expansion are more disturbing than others

16 hours ago — 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

Aerogel Mars

A novel idea for the local terraforming of Mars raises interesting possibilities

October 19, 2019 — Caleb A. Scharf

Uninhabitable Planets

Calling a distant world Earth-like is bad practice; calling it habitable is not much better

October 5, 2019 — Caleb A. Scharf

Forget Area 51

There are way more important planetary concerns to direct your attention to

September 28, 2019 — Caleb A. Scharf

The Atmospheric Microbiome

For single-celled organisms, Earth’s atmosphere represents transport, refuge and possibly a habitat

September 14, 2019 — Caleb A. Scharf

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