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Stories by Caleb A. Scharf

Believable Extraterrestrials

The 100th anniversary of astronomy’s “Great Debate” prompts thoughts on the hunt for life in the universe

May 9, 2020 — Caleb A. Scharf

Magnetic Planets

Silicate dynamos could drive magnetic fields in more planets—and younger ones

March 22, 2020 — Caleb A. Scharf

Happy Universe

Distract yourself with some amazing views of the universe around us

March 15, 2020 — Caleb A. Scharf

The 1,000 Caves of Mars

Want to seek shelter on Mars? There may be a lot of options, and we know where they are

March 14, 2020 — Caleb A. Scharf

Quantum SETI

Vast data sets and machine learning could link SETI to quantum computing

February 22, 2020 — Caleb A. Scharf

Death on Mars

The martian radiation environment is a problem for human explorers that cannot be overstated

January 25, 2020 — Caleb A. Scharf

Is Biology Best?

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

January 11, 2020 — Caleb A. Scharf
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